Downshift's Daily/Track Build

[downshift]

Hey guys,

I bought a 2004 ZHP sedan two weeks ago in CA (where i'm from) and drove it to Boston where I live and work (MIT). The trip was 3500 miles and my friend and I completed it in two days, but that's another story.

The story behind the car is: I have wanted a ZHP for the past 8 years, since I was 14. Something about the sedan, 6MT, refined look and no crazy flashy features. Just a solid car..

So I found a good looking car in CA, had a friend (BMW tech) inspect it, and bought it within hours of him posting it on CL. $8k, 110k miles. We then overhauled the cooling system (which had an expansion tank from 2003!) right before the cross-country drive). I also replaced the FCAB, which were literally severed upon inspection.


My plan for the car is to build a streetable track car, with a strong emphasis toward track. I don't like compromising, but I do need to drive this to work (10 miles) when I can't ride my motorcycle. In the immediate future I want to stiffen the frame, source track wheels/tires, install a full coilover kit (pss vs KW vs ...?) and possibly a big brake kit, but I am unsure of that yet.

I replaced the headlight lenses, tail lights, side markers and shift knob.

I'll leave a few photos for now, an hopefully will have something more exciting to show soon.


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[downshift]

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Old front CAB
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Expansion tank from 2003, 110k miles on it...
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[Vas]

Subscribed.

Overall good cross country trip?

[downshift]

Ya the trip was great. Nice to have my buddy come along too. I went from SF to SLO, to ABQ (to pick him up) then we made a straight shot to Memphis, stopped at Central BBQ for some dinner and drove straight thru NYC to Boston from there. ABQ to BOS was straight through only stopped for food and gas.

Made very good time from ABQ to Memphis, we didn't see many cops and cruised 120-140 for about 900 miles. Surprisingly, no tickets over the whole trip.

Worst part was driving through blizzards in Tennessee and New Jersey on Bridgestone S-04..

Josh

[rablm3]

Beautiful ZHP. I'm sure you will be happy with this awesome car.

[Lorenzo]

Wow two days to cross the country is impressive. And 120-140mph for 900 miles is downright scary - wow! I guess you had good long straight away highways to cruise on. How did it feel at those speeds?

[downshift]

Wow two days to cross the country is impressive. And 120-140mph for 900 miles is downright scary - wow! I guess you had good long straight away highways to cruise on. How did it feel at those speeds?

The car felt planted and safe, but another 10 mph would have changed that. I've noticed this on the W212 E63 as well; 140-170 feels pretty safe but anything above, even by 10 mph is a whole different story. Maybe something about the air starting to lift the front end in a different manner. Anyway, the car felt great and was less twitchy than I thought it would be, so we decided to make good time and go for it.

Driving on summers in thin layers of snow with black ice under every overpass was very scary, even at 35 mph. I hit a large patch of ice on a turn and must have rotated the car 30 degrees, thankfully TC was off and it actually let me correct, otherwise it may have tried to brake and made the situation even worse.

Got my D4 and 75W90 and I'll be doing my trans/diff service this Saturday when I have access to my lift.

Also started peeling my pillar felt off...

[derbo]

I like your thought process. Sounds like something I would do.. oh wait.

[downshift]

Any short shift kit recommendations guys? Not planning on splurging for the evo3

[downshift]

My matte black kidney grilles finally came in and installation was very easy. My OEM grilles were looking pretty beat up, so I was very happy with the change.

I also got around to my differential and transmission fluid change. The difference in feel in the 6MT before/after D4 ATF was not as noticeable as I had expected, bit was in fact noticeable. The car shifts into first much smoother than before. The work was pretty effortless since I had a full lift. Didnt have to remove a single cover plate or obstructing part, which I was kind of expecting, so that was nice.

Having the car up on the lift also showed me that I have a big screw embedded in my rear right sidewall...not sure what to do about that. It is tangent to the tire, not sticking directly into it. Forgot to take photo.

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75W90 Differential oil, D4 ATF Transmission oil, pump for both of those, and my new kidney grilles

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New kidney grilles, ended up being a perfect fit

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Grilles before

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One grille installed for comparison

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Both grilles installed

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Got the car up on the lift

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Filling the transmission with D4

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Service is done


I went to a drift event later that day and the consensus is...my first big mod will definitely be a LSD. The open diff is just awful for the type of driving I do. Looking into Turner and other alternatives. Shoot some info my way if you have recommendations.

Josh

[ELCID86]

Looking good. Do the lower grill! $40 for the two parts.

[BMWM3186]

Have you ever been pulled over going that fast? Lol

[ZHPizza]

The consensus LSD source here

http://www.zhpmafia.com/forums/showthread.php?t=15863

[Vas]

For the shifter, I like the euro shifter. It's just the shifter rod but I like the change

[downshift]

Looking good. Do the lower grill! $40 for the two parts.

Thanks Shawn! Not sure if I will buy or repaint. Probably buy. I'll find a vendor.

[downshift]

The consensus LSD source here

http://www.zhpmafia.com/forums/showthread.php?t=15863

Thanks ZHPizza, I'll take a look and hopefully pull the trigger soon.


Vas: Does this shorten the throw any? Do you have a link?

Josh

[derbo]

Thanks ZHPizza, I'll take a look and hopefully pull the trigger soon.


Vas: Does this shorten the throw any? Do you have a link?

Josh

I'm currently using a Z3M Short shifter but the Autosolutions SSK is one of the best ones on the market. I love that thing in my cousin's ZHP. :)

[ELCID86]

I got my lower grill from a local dealer. They have a discount if you buy and pay online.

I too has the Autosolutions SSK. It took @4 weeks to get it but I'd say worth the wait.

[downshift]

Alright, I'll bite. How much did you guys pay for your SSK?

[Vas]

Thanks ZHPizza, I'll take a look and hopefully pull the trigger soon.


Vas: Does this shorten the throw any? Do you have a link?

Josh
It made it shorter but not a drastic change. Just enough to notice and make it more enjoyable. Definitely an OE+ mod.

Plus the cost of it is alot cheaper then a full ssk system. Iirc I spent under $100 on all the parts when I did this mod on the wife's zhp.

[downshift]

The consensus LSD source here

http://www.zhpmafia.com/forums/showthread.php?t=15863

http://www.teammfactory.com/catalog/partno/MF-TRS-10E46

This seems to be the right solution for the type of driving i'll be doing.

Do they ship you the guts and you do the service yourself?

[derbo]

It made it shorter but not a drastic change. Just enough to notice and make it more enjoyable. Definitely an OE+ mod.

Plus the cost of it is alot cheaper then a full ssk system. Iirc I spent under $100 on all the parts when I did this mod on the wife's zhp.

Z3M shifter + new bushings was under $80 if IIRC. The Autosolutions is about $350? I've been meaning to get this sooner or later.

[Vas]

Z3M shifter + new bushings was under $80 if IIRC. The Autosolutions is about $350? I've been meaning to get this sooner or later.
Sounds about right

[Sockethead]

In NJ you go to jail for 100 mph and above.
The MPH limiter kicks in at 150mph above that exceeds the aerodynamics of the car ( according to BMW). I've done sustained 140 mph when my car was pretty much stock. It was very smooth but you really have to pay attention. I don't think I'll be doing that again any time soon.
That must of been scary as hell going through the snow. I got stuck in a snowstorm in the PA mountains on Dunlop star specs and I was shitting bricks.
Great to see the ZHP getting immediate love.
I'm running a 3 clutch LSD from Diffs online. Works very well. I think the ramping is 60/90

[downshift]

In NJ you go to jail for 100 mph and above.
The MPH limiter kicks in at 150mph above that exceeds the aerodynamics of the car ( according to BMW). I've done sustained 140 mph when my car was pretty much stock. It was very smooth but you really have to pay attention. I don't think I'll be doing that again any time soon.
That must of been scary as hell going through the snow. I got stuck in a snowstorm in the PA mountains on Dunlop star specs and I was shitting bricks.
Great to see the ZHP getting immediate love.
I'm running a 3 clutch LSD from Diffs online. Works very well. I think the ramping is 60/90

Yeah snow on summers is definitely scary.

Could you provide some specific details about your diff, your decision on that specific model, and the mechanical/driving attributes you were looking for and your driving style? Looking to pull the trigger before the racing season starts in ~3 weeks

Josh

[Sockethead]

I bought it that way from another member. 3 clutch can take more HP and I'm running a supercharger so 3.15 is good for me. If I remember right, the ring and pinion are polished as well
For track use, certain types of LSD's turn onto open end diff when lifting a rear tire around a turn. Something to think about if you are a serious tracker.
I'd call Dan at diffs online and pick his brain about what to use for your needs.... he's one of the best out there... he builds all of Turner's diffs too.

[wertyu78]

+1 for Diffsonline.

I've been running Diffs from Dan for a few years now and haven't looked back since. He's the quintessential BMW differential expert and has support unmatched by any other manufacturer I know. In addition to his kickass knowledge and support, you are supporting a US based company that manufacturers their product guess where - right here in the USA.

Spare yourself the headache of shopping around and exploring other options. If you want a differential that performs to your needs/liking, and performs well, and that won't give you any headaches, then he is the way to go. He'll build a diff based on your needs

I run a 4 clutch setup with 35/60 ramps.

[downshift]

Diff has been ordered, 3 clutch 2-way.

I AM SO EXCITED

[downshift]

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Quick shoutout to ramen for making this all possible. Forgot to check the bank before placing the order.

Dan will be building the diff and Turner will be installing it.

[Sockethead]

Can't beat that combo... Diffs online and Turner, not Ramen :D

[downshift]

Can't beat that combo... Diffs online and Turner, not Ramen :D

Well it wouldn't have happened without ramen!

How do you like the TS2, Sockethead? I'm very tempted, as I really wouldn't want to turbo. I think suspension is next though, then brakes.

Josh

[derbo]

Well it wouldn't have happened without ramen!

How do you like the TS2, Sockethead? I'm very tempted, as I really wouldn't want to turbo. I think suspension is next though, then brakes.

Josh

Josh,

Elevate that Ramen with some Chinese/Japanese BBQ Pork and/or fish cakes. Throw a softboiled egg in it too and its amazing. I like to throw in Gochujang (almost Korean equiv of like Sriracha but way hotter) and make the broth spicier. :drool

[downshift]

Josh,

Elevate that Ramen with some Chinese/Japanese BBQ Pork and/or fish cakes. Throw a softboiled egg in it too and its amazing. I like to throw in Gochujang (almost Korean equiv of like Sriracha but way hotter) and make the broth spicier. :drool

Alright i'm on it

[downshift]

Derbo did you do CDV Delete, do most people do this?

[ZHPizza]

Derbo did you do CDV Delete, do most people do this?
CDV delete is easy, free, and very rewarding. It's a no brainer.

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[downshift]

CDV delete is easy, free, and very rewarding. It's a no brainer.

Sent from my Pixel using Tapatalk

Sounds about right

[derbo]

Derbo did you do CDV Delete, do most people do this?

Yes. It increases drivetrain shock, but it also makes you not feel like an idiot for not being able to drive a stick after all those years without a CDV.

[downshift]

First track day with the car is next Saturday, April 8 here in Massachusetts.

Not loving the look of this tow hook, but it was cheap and I want to have something while on track. Yes, I know it's purple.. I eventually want to do a small production run of titanium tow hooks (I do a lot of SolidWorks design and CNC machining in my free time). Would anyone be interested in a titanium tow hook? Seems like a fun quick project.

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[bimmerteknik]

Would anyone be interested in a titanium tow hook?

I'd be interested, a GoPro mount tab would be a cool feature on a tow hook... just saying. [emoji6]


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[downshift]

I'll start working on something, Bimmerteknik. My motorcycle carbs have kept me pretty busy for the time being.

Picked up some new fog lights. Old ones are super hazy, and I like yellow.

Also making the trip to Turner this Wednesday.

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Josh

[downshift]

Here at Turner

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[Sockethead]

Awesome! Nice having them so close...

[downshift]

Update: I have a crack in my subframe mounting surface and was pretty much forced to do the service, because I have a track day on Saturday and the diff is already out. Would hate to have to pull it again to do the subframe. Diff bushings are also smoked.

$4100 later...

[wertyu78]

Update: I have a crack in my subframe mounting surface and was pretty much forced to do the service, because I have a track day on Saturday and the diff is already out. Would hate to have to pull it again to do the subframe. Diff bushings are also smoked.

$4100 later...

OUCH. Been there and done that, it ain't fun.

[san]

Damn. Sorry man


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[Sockethead]

Good to get it all done now. At least you're getting the reinforcement done by a company that knows it well.
I would of been surprised if the diff bushing weren't torn.

[///Mvious]

The car will be a whole new animal on the track with the diff!...and you'll have some peace of mind with the subframe buttoned up

[downshift]

Awesome! Nice having them so close...

Ya it's definitely better than driving super far and having planned to come home with my car that same day. They gave me a loaner x3 so I can get to work etc. Turner is 40 mins from my work.


OUCH. Been there and done that, it ain't fun.

Gotta be done..just wish it didn't have to be so soon. I quit my job at MIT so money is a little slow, but I'll get my paycheck from my new job in a week, which pays a lot more, so it's all good.


Damn. Sorry man

Thanks San


Good to get it all done now. At least you're getting the reinforcement done by a company that knows it well.
I would of been surprised if the diff bushing weren't torn.

Yup it makes me pretty comfortable having Turner do the service. They didn't have a replacement bushing on hand; almost went aluminum diff bushing just to get the service done on time haha. They had them on the shelf


The car will be a whole new animal on the track with the diff!...and you'll have some peace of mind with the subframe buttoned up

Very excited to feel the difference, both in the gearing change and the LSD. Hopefully the car will finally do what I want it to -> slide

[downshift]

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Picked her up today

[ZHPizza]

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Picked her up today
Well it's been 20 minutes....Does it slide?

[downshift]

Well it's been 20 minutes....Does it slide?

Very, very well. Will need new tires tomorrow.

Super controllable and progressive drifts, and crazy amount of traction versus the stock setup. I am having a hard time seeing a notable difference in gearing. shoulda gone 3.64

Josh

[downshift]

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Nice day at autox. The diff did very well, I could really feel it working.

[downshift]

Here's the RPM difference before and after the differential went in.

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[wertyu78]

Welcome to the life of 2WD.


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[downshift]

Welcome to the life of 2WD.


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It's soooooo nice. My rears are gone. Trying to decide on my next shoes, maybe RE71R

[downshift]

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Got her up on the lift again to change diff fluid and pull my CDV. The car definitely drives better without CDV. My diff was filled with clutch material, so I flushed it with a refill of 75w90, drained again, then refilled with 75w140.

Car is feeling good.

Trying to decide on coilovers. I would be sold on PSS10 but I've been hearing bad things about the springs they come with.

[downshift]

Not too much to update lately. I picked up a set of junkyard drift wheels that are actually in pretty good condition. They're 18x8.5 and I wrapped them in Direzza 102. The wheels cost me $50 and the tires were $260 delivered, so not too bad at all.

Also picked up a harbor freight jack and I've bee changing the wheels out by hand, but I'll get an impact gun soon. Leaning towards Dewalt.

Cleaning in the shower, of course

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Headed out to get mounted

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Mounting up in a random parking structure

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Smoky videos to come soon


Josh

[BMWCurves]

I like that you gave them a shower.

[Ridgey]

I want an impact wrench really badly as well. A nice oneeeeeeee.

[downshift]

I like that you gave them a shower.

All wheels deserve a good shower. They had an 1/8 thick layer of jet black grease buildup on the inside drum.

The wheels are off an E53 X5 so they're the right size and almost the same offset as stock ZHP wheels.


I want an impact wrench really badly as well. A nice oneeeeeeee.

What models are you looking at? The DeWALT XRT 20V looks nice but its pretty expensive, I think $400 for the drill, bag, two batteries and a charger. 1/2" drive. DeWALT also has a nice, cheaper 18V impact gun, I think 3/8 drive.

Bosch makes a nice model in that same price range.

I think I've settled on what coilovers I want and it would be nice to have it for that as well.

First impressions of the Direzza DZ102 tires is they hook surprisingly well and give lots of control while drifting, more than I expected. I think they're pretty well matched to the car's power level for sustained sliding in the dry, anything grippier seems less than ideal.

[downshift]

Got the ZHP out to the track yesterday and wow I could really use some suspension.

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[Vas]

Nice shot

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[downshift]

Nice shot

Thanks, Vas.

Just pre-ordered a set of 18x8.5 ET35 APEX FL-5 in hyper silver!

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[danewilson77]

Thanks, Vas.

Just pre-ordered a set of 18x8.5 ET35 APEX FL-5 in hyper silver!

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Those might just be a tad bit sexy.

Sent from my S8+

[downshift]

Those might just be a tad bit sexy.

Sent from my S8+

Thanks Dane!

Looking into spacers and a fender roll for more aggressive track. Coilovers come next...

[downshift]

Here they are on an M2, which totally sold me. Otherwise I wouldn't be able to see them on a car. First shipment comes in first week of June I think. Photo by APEX

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[slater]

wow... i really like those! can't wait to see them on your car.

i really like those...

[Vas]

Deep Lips on those wheels.

[Sockethead]

You won't need any spacers with ET 35
I saw them in an email that one of the usual companies sent. Pretty sweet!

[downshift]

wow... i really like those! can't wait to see them on your car.

i really like those...

I've always been a fan of BBS LM, but I also like the ARC-8 (only with concavity!!!) and other APEX styles. So I was super happy to find a product that has a weird combination of the LM barrel/face/lip, but also fewer spokes like the ARC-8 or EC-7, instead of a basketweave. And of course, hyper silver and fairly light is a good selling point...I'll weigh all four (lab grade scale at work!) and let you guys know how much they weigh.


Deep Lips on those wheels.

Yeah, like LM but I prefer the unpolished, single surface finish style of these. I believe the lip on my wheels will be the same as the front wheels on the ///M2. The FL-5 comes in medium and deep lip, I guess.

Josh

[downshift]

You won't need any spacers with ET 35

But what if I want to kick everything out 10mm and roll the fenders :mwah

[Sockethead]

I have ET 35 in the back and they still rub a bit even with an aggressive fender roll

[Sockethead]

You can bump out the front with spacers but if your lowered, the wheels may rub when turning mine rub with no spacers in certain situations

[downshift]

I have ET 35 in the back and they still rub a bit even with an aggressive fender roll

8.5 width? should be like adding a 15mm spacer right?

[///Mvious]

Anxious to see these on an e46 sedan

[Sockethead]

8.5 width? should be like adding a 15mm spacer right?

Come to think of it, I think they are 9" or 9.5" my memory doesn't work quite as well as it used to..,

[downshift]

Anxious to see these on an e46 sedan

Me too!

[downshift]

So there I was, bored, wanted a new project, got a little carried away, stripped the car from the rear seats back...oops. Also managed to render my media system unusable due to removal of the DVD drive etc in the rear left corner. I had a feeling this would be the case, but went for it anyway... Will reinstall soon, hopefully with no issues.

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[downshift]

Parked during a cruise through Connecticut.


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[downshift]

Decided to elongate the spare wheel/tire retention stud. I can now bolt down two 255 width rear wheels/tires in the spare tire cavity, which is pretty awesome.

Next project is to use the rear seat mounting points to bolt in two long steel rails so I can secure a set of four wheels-tires where the rear seat used to be.

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[downshift]

Drift day in New Hampshire was a success! Still loving the new differential.

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[ZHPizza]

Those pics are insane.

Love it.

[downshift]

Those pics are insane.

Love it.

Thanks Bud!

New wheels should be here within 2 weeks. Planning to take the easy route and get PSS instead of trying to find something grippier in my size (245/35/18)

[downshift]

Never mind on the PSS, decided I wanted something better for track and grippier for street. Got a great deal on Falken RT615K ($500 shipped for 4 235/40-18).

In the mean time, I decided to paint my mesh grille this weekend. After taping up around the lower air dam, I lined everything with newspaper, and slipped newspaper in behind the mesh grille so no paint reached the radiator. I think it came out really well.

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And here's one more photo from the drift day.

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[derbo]

Looks so fun! :D

[downshift]

Looks so fun! :D

thanks!

Can you remind me what coilovers you're on, and your impressions. I've been back and forth a million times on my decision...

[downshift]

Got some presents in the main today.

Falken RT615K 235/40-18

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[ZHPizza]

Gotta love how fat the right 235's can be. What width wheel did you go with again? I have some fat 235's that are barely even stretched on 18x9's.

[derbo]

thanks!

Can you remind me what coilovers you're on, and your impressions. I've been back and forth a million times on my decision...

I originally bought these:

https://groundcontrolstore.com/collections/e46/products/bmw-e46-non-m3-track-school-full-coilover-kit

Over the years, I replaced the springs with swift coilover springs to increase the spring rate to 448lbs/560lbs/in Front/Rear respectively.

The setup is a very sound coilover system that has wonderful tameness for daily driver with limited rebound adjustment for HPDEs. My original intent when I first purchased these was 99% daily driving + 1% HPDEs. The purpose of the car obviously did not reflect the original intent and has steered itself a little further down the HPDE line.

Since my ZHP is merely a garage queen with HPDEs, I am considering overhauling my suspension with MCS 1-ways or 2ways. :)

If you want to go with GC, you seriously can't go wrong. It is a great setup and I really appreciate its ability to be usable on the streets. In comparison, my cousin's ZHP has turner motorsport coilovers and it was far from comfortable as a daily.

They don't make that kit anymore, but it is similar to this.
https://www.turnermotorsport.com/p-339013-turner-e46-m3-tracksport-plus-suspension-kit-bonus-bundle/?pdk=AQEB

Feel free to PM me if you ever want more info or even to just chat about suspension. I like talking car stuff. :)

[downshift]

Gotta love how fat the right 235's can be. What width wheel did you go with again? I have some fat 235's that are barely even stretched on 18x9's.

I went with 18x8.5 et35, should be a fairly aggressive fitment, but less so with 235 with stretched sidewalls. What tires are you referring to?

[downshift]

I originally bought these:

https://groundcontrolstore.com/collections/e46/products/bmw-e46-non-m3-track-school-full-coilover-kit

Over the years, I replaced the springs with swift coilover springs to increase the spring rate to 448lbs/560lbs/in Front/Rear respectively.

The setup is a very sound coilover system that has wonderful tameness for daily driver with limited rebound adjustment for HPDEs. My original intent when I first purchased these was 99% daily driving + 1% HPDEs. The purpose of the car obviously did not reflect the original intent and has steered itself a little further down the HPDE line.

Since my ZHP is merely a garage queen with HPDEs, I am considering overhauling my suspension with MCS 1-ways or 2ways. :)

If you want to go with GC, you seriously can't go wrong. It is a great setup and I really appreciate its ability to be usable on the streets. In comparison, my cousin's ZHP has turner motorsport coilovers and it was far from comfortable as a daily.

They don't make that kit anymore, but it is similar to this.
https://www.turnermotorsport.com/p-339013-turner-e46-m3-tracksport-plus-suspension-kit-bonus-bundle/?pdk=AQEB

Feel free to PM me if you ever want more info or even to just chat about suspension. I like talking car stuff. :)

Yeah, I hear you. My plan is MCS 2WNR as well, with Vorshlag camber plates. Just not sure when that will happen. $4800 is a lot all at once... But on track the stock suspension, which has been refreshed recently, just doesn't stand a chance. Planning 600 lbf/in front, 700 lbf/in rear for the MCS

[derbo]

Yeah, I hear you. My plan is MCS 2WNR as well, with Vorshlag camber plates. Just not sure when that will happen. $4800 is a lot all at once... But on track the stock suspension, which has been refreshed recently, just doesn't stand a chance. Planning 600 lbf/in front, 700 lbf/in rear for the MCS

If you do go with MCS, be sure to talk to wyatt here on the forums. He works at MCS.


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[downshift]

If you do go with MCS, be sure to talk to wyatt here on the forums. He works at MCS.


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I spoke with him a few weeks ago and he was very helpful. I will be calling back

[downshift]

Mileage: 118,400 miles

Oil change and filter replacement, I went with Redline 15w50 and MANN

Transmission fluid change with Redline D4 ATF. I had three track days on the old fluid and it was GROSS, although only 1000 miles

Got as much power steering fluid out as possible, refilled with D4 ATF. My reservoir kept blowing fluid everywhere during hard track days. Not sure what was in there

Differential fluid change. The diff came with 75w90. Then upped it to 75w110, still too thin. Trying 75w140 now

Got my smoked tires off my drift wheels and mounted my new rubber, $60 each on amazon!

Drove it a little...

APEX FL-5 18x8.5 ET35 will be here Thursday, tires are already here. Hopefully get the new setup on the car on Friday. Planning fender roll and additional spacers, but thats for another time

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[downshift]

Got a special delivery today

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[downshift]

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[webster]

Oh man those look killer! Can't wait to see them mounted.

[downshift]

Oh man those look killer! Can't wait to see them mounted.

Yeah they look great. My photo skills aren't so great, but they look amazing in person.

Tire shop already has my Falkens and I'm having these mounted in the morning. 19mm spacer front 15mm rear, we'll see how the fitment comes out.

[derbo]

oo I likey

[downshift]

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[///Mvious]

I like!

[danewilson77]

Those are dope.

Sent from my S8+

[downshift]

Seat time

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[BMWCurves]

Looks bolster-y

[derbo]

Seat time

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Nice.

What seat brackets did you use? My recaro SPG hits the B pillar, it looks like this does the same?

[downshift]

Nice.

What seat brackets did you use? My recaro SPG hits the B pillar, it looks like this does the same?

I am 1/16" away from hitting the B pillar. I used VAC Motorsports pegboard and OMP side mounts. Went pretty smoothly except my seat is SO FREAKING LOW I cant see a damn thing. I gained 4 inches of headroom. The ZHP steering wheel also does not angle down far enough so it isn't pointed at me...I'll have to raise the seat.

[slater]

I am 1/16" away from hitting the B pillar. I used VAC Motorsports pegboard and OMP side mounts. Went pretty smoothly except my seat is SO FREAKING LOW I cant see a damn thing. I gained 4 inches of headroom. The ZHP steering wheel also does not angle down far enough so it isn't pointed at me...I'll have to raise the seat.

i was gonna say, that looks a lot lower than the stock seat. :)

you'll likely have B-pillar contact issue when you raise the seat.

[downshift]

i was gonna say, that looks a lot lower than the stock seat. :)

you'll likely have B-pillar contact issue when you raise the seat.

I've got another 1/4 inch that the whole seat/side mount assembly can slide toward center so thankfully I'm good there. Does seem like a big seat for the car, though. Fits me perfect and bought from someone for $300 discount after it didn't fit them ;)

[downshift]

I moved the seat up 3/4" and forward about an inch and it fits great with good drive-ability. Only issue is the steering wheel still doesn't tilt low enough to point at my chest, it's just a touch higher than that, which is slightly uncomfortable. I'll see how it feels on the track this week. Have yet to decide whether I want to raise the seat or modify my steering column to get the right fit.

Cousin likes it!

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[johnrando]

Cool

Sent from my SM-G950U using Tapatalk

[KIRIEIW]

Josh, if you haven't already I highly recommend the Milwaukee impacts. I use and abuse mine literally every single day on a daily basis at work and home. I have Milwaukee's smallest 1/2 impact rated at 220ft ibs which has only let me down maybe 5 or 6 times out of the THOUSANDS of lug nuts I've removed at the dealer. Not only that, I use it for suspension work, removing reinforcement panels, you name it. I love the fact its in there 3/8 body so it's much, much lighter then the bigger bulkier 1/2 guns which means easier to fit it in wheel wells and such. Plus its just less weight in your hand.

You might be asking yourself why I was un successful taking off those few lug nuts in the past, well sometimes previous "technicians" think they can flat rate things and just blast on customers wheels with there air impact gun which is probably rated at 300ft pounds, more likely even more.

Best part about the gun is it has 3 different impact speeds, I break lug nuts loose with the full rated 220ft pounds, but for tightening them I put it in speed 2 which tightens them to about 70ft pounds, the perfect amount before setting the car back on the ground to torque everything properly.

Milwaukee has a 5 year warranty too!


Nice job with the build man hope to see the car again eventually,

-Kevin (yes that Kevin)


https://farm5.staticflickr.com/4306/35575437040_abda69d4c4_c.jpg

https://farm5.staticflickr.com/4309/35124627474_2f42486da3_c.jpg

https://farm5.staticflickr.com/4317/35923219126_69bc7ac0d8_c.jpg

[downshift]

Josh, if you haven't already I highly recommend the Milwaukee impacts. I use and abuse mine literally every single day on a daily basis at work and home. I have Milwaukee's smallest 1/2 impact rated at 220ft ibs which has only let me down maybe 5 or 6 times out of the THOUSANDS of lug nuts I've removed at the dealer. Not only that, I use it for suspension work, removing reinforcement panels, you name it. I love the fact its in there 3/8 body so it's much, much lighter then the bigger bulkier 1/2 guns which means easier to fit it in wheel wells and such. Plus its just less weight in your hand.

You might be asking yourself why I was un successful taking off those few lug nuts in the past, well sometimes previous "technicians" think they can flat rate things and just blast on customers wheels with there air impact gun which is probably rated at 300ft pounds, more likely even more.

Best part about the gun is it has 3 different impact speeds, I break lug nuts loose with the full rated 220ft pounds, but for tightening them I put it in speed 2 which tightens them to about 70ft pounds, the perfect amount before setting the car back on the ground to torque everything properly.

Milwaukee has a 5 year warranty too!


Nice job with the build man hope to see the car again eventually,

-Kevin (yes that Kevin)


https://farm5.staticflickr.com/4306/35575437040_abda69d4c4_c.jpg

https://farm5.staticflickr.com/4309/35124627474_2f42486da3_c.jpg

https://farm5.staticflickr.com/4317/35923219126_69bc7ac0d8_c.jpg

Thanks! I'll check out the Milwaukee impact gun and probably get it. I'm saving for my cage but I might be able to make it work.

[downshift]

Some rainy track action from last week

The window down requirement was pretty awful on my steering wheel...good excuse to have Coby re-wrap it!

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[slater]

nice pic! i am loving those wheels!

also... i am loving the 1/2" drive, small-body milwaukee impact above.... i could use one o' those... the ol' air-powered big guy i've got is hard to get into some spaces. not to mention the hose.

[downshift]

nice pic! i am loving those wheels!

also... i am loving the 1/2" drive, small-body milwaukee impact above.... i could use one o' those... the ol' air-powered big guy i've got is hard to get into some spaces. not to mention the hose.

Thanks Peter! me too

[downshift]

Small update: here's what the car looks like with Eibach SportLine springs on stock dampers. I'll update with full car photo soon. The springs gave the car a really nice rake

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[downshift]

Cage went in

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[ZHPizza]

Cage went in

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https://media.tenor.com/images/fb453eb546f97b4a8290aaeeda501316/tenor.gif

[downshift]

https://media.tenor.com/images/fb453eb546f97b4a8290aaeeda501316/tenor.gif

Working on it ;)

[Sockethead]

4 point cage?

[downshift]

4 point cage?

Yes, but the whole structure itself is fully welded, instead of having bolted sleeve joints like many off-the-shelf half cages.

[derbo]

I will be living vicariously through your build! Amazing work!

[Sockethead]

Yes, but the whole structure itself is fully welded, instead of having bolted sleeve joints like many off-the-shelf half cages.

Yep, not a fan of the bolt together cages.... if you're going to have one, make it a good solid one that will actually do what it's supposed to do...

[downshift]

Yep, not a fan of the bolt together cages.... if you're going to have one, make it a good solid one that will actually do what it's supposed to do...

Agreed! I'm really loving the Schroth Profi 2 6-pt harnesses too

[downshift]

I will be living vicariously through your build! Amazing work!

Thanks man, did I see on IG that you just sold your ZHP? What's the plan?

[derbo]

Thanks man, did I see on IG that you just sold your ZHP? What's the plan?

I did. Bittersweet but I'm looking for an E90 LCI M3 6MT.

[downshift]

I did. Bittersweet but I'm looking for an E90 LCI M3 6MT.

Sounds like a good move. I'm in the market for an e92 335i for a single Precision turbo swap, but I'll be keeping the ZHP as a track car.

[downshift]

Quick photo update

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[anandoc]

Love the first picture! I might steal it as my desktop wallpaper and call it my own ;) (since my car looks pretty much like yours except for the amber turn signals).

[downshift]

Love the first picture! I might steal it as my desktop wallpaper and call it my own ;) (since my car looks pretty much like yours except for the amber turn signals).

Haha thanks! I wish I had taken it on a better camera

[downshift]

Alright guys, I decided to make a change with my wheels. Hopefully this fitment info is helpful to some people.

I had my front fenders and rear quarter panels rolled and pulled out what seems to be about 20mm.

Wheel setup:
APEX ARC-8 17x9 ET30 Race Silver
Bridgestone RE-71R 255/40-17 (sticks out 6mm from wheel faces)

This setup is equal to adding a 36mm spacer front and a 32mm spacer rear

I had rubbing issues, and have gone back and forth between test drives and my body shop to get all the kinks worked out. It's looking pretty good now and has nearly no rubbing.

Here's a couple photos:

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Josh

[KIRIEIW]

That fitments nuts Josh! Glad you got it to fit properly in the end.

[Vas]

Some serious pull on those fenders.

Sent from my SAMSUNG-SM-G920A using Tapatalk

[johnrando]

Nice!

Sent from my SM-G955U using Tapatalk

[Sockethead]

When they pulled the rear, did the plastic bumper come out with it or did they have to do something separate with that?

[downshift]

Thanks guys!


When they pulled the rear, did the plastic bumper come out with it or did they have to do something separate with that?

Are you asking about the bumper itself, or the tab? Either way, it wasn't pretty...

[Sockethead]

Both!
Can you provide details?

[derbo]

That fender looks very flared. :)

I always wanted low offset + 255s lol

[downshift]

Both!
Can you provide details?

The bumper did follow the quarter panel for the most part. I think I am currently hitting the tab. I'm going to use some of the bonding agents we use at work (aerospace applications, crazy f'ing strong) to bond two small aluminum blocks with threaded holes in them, one on the bumper one on the quarter. Then link them with a tiny adjustable turnbuckle, all on the inside. Going to do the same on the front. I will post a schematic when I get it designed.

In other news, the tires and width produce an absolutely insane cornering force, nothing i've ever felt

[downshift]

Some more track action for ya

31201

[derbo]

love it!!!

[Sockethead]

The bumper did follow the quarter panel for the most part. I think I am currently hitting the tab. I'm going to use some of the bonding agents we use at work (aerospace applications, crazy f'ing strong) to bond two small aluminum blocks with threaded holes in them, one on the bumper one on the quarter. Then link them with a tiny adjustable turnbuckle, all on the inside. Going to do the same on the front. I will post a schematic when I get it designed.

In other news, the tires and width produce an absolutely insane cornering force, nothing i've ever felt

Yea that tab has been a PITA for me too. Although the new Hankooks aren't as wide as the old ones so I'm good for now.
Let us know how that bumper mid works out

[downshift]

Yea that tab has been a PITA for me too. Although the new Hankooks aren't as wide as the old ones so I'm good for now.
Let us know how that bumper mid works out

Will do. Hopefully that takes care of my rubbing

[downshift]

Record: oil change and filter 5w40 124500

[downshift]

Well I haven't posted in a while.

I just drove from Boston to San Francisco in 57 hours (new record!) and took some photos out there in the mountains.

Happy new year

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[slater]

Well I haven't posted in a while.

I just drove from Boston to San Francisco in 57 hours (new record!) and took some photos out there in the mountains.

Happy new year


so, are you moving/moved to SF?

great pic! enjoy the warmer temps. :)

[johnrando]

Awesome

Sent from my SM-G955U using Tapatalk

[Sockethead]

You car looks great! The stance is just about perfect...

[downshift]

You car looks great! The stance is just about perfect...

Thanks! This was after hitting a big dip ... my car is much higher than this.


so, are you moving/moved to SF?

great pic! enjoy the warmer temps. :)

I was just home for the holidays, seeing my family who all work in tech (as do I, just not in the Bay)

[downshift]

Well in other news I just spent $730 at AKG ... whoops!

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[derbo]

Well in other news I just spent $730 at AKG ... whoops!

[ATTACH]31790[/ATTACH

:applause :applause :applause :applause :applause :applause :applause :applause :applause :applause :applause :applause :applause :applause :applause :applause :applause :applause :applause :applause

Bravo.

[downshift]

And another $670 at Bimmerworld just now....fuel pump, fuel filter, air filter, front control arms, new emblems, fresh spark plugs, a few other things. Third big order will be my dampers!!

[downshift]

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[downshift]

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[slater]

very cool!

just food for thought - aluminum subframe mounts will transfer load correctly, the poly will not. according to vince, the RACP guru. :)

trevor and i now rock the aluminum ones.

you are going to love how the car feels with the rear end locked down like that. curious to hear your thoughts on the engine and trans mounts.

[downshift]

very cool!

just food for thought - aluminum subframe mounts will transfer load correctly, the poly will not. according to vince, the RACP guru. :)

trevor and i now rock the aluminum ones.

you are going to love how the car feels with the rear end locked down like that. curious to hear your thoughts on the engine and trans mounts.

Thats interesting, maybe I should have gone with those. We will see how the AKG subframe mounts work out. Which poly were you running? I can see powerflex being an issue since they are so soft. Did you run AKG 75D?

[slater]

Thats interesting, maybe I should have gone with those. We will see how the AKG subframe mounts work out. Which poly were you running? I can see powerflex being an issue since they are so soft. Did you run AKG 75D?

I ran AKG blacks, I think they are 90A durometer.


Sent from my iPhone using Tapatalk

[downshift]

I ran AKG blacks, I think they are 90A durometer.


Sent from my iPhone using Tapatalk

Ah I see, yeah those are very soft. Hopefully the 75d will be stiff enough for me. They are classified in the delrin stiffness category.

[slater]

Ah I see, yeah those are very soft. Hopefully the 75d will be stiff enough for me. They are classified in the delrin stiffness category.

It doesn’t have anything to do with softness, it’s because it’s two different materials and two different pieces.


Sent from my iPhone using Tapatalk

[downshift]

It doesn’t have anything to do with softness, it’s because it’s two different materials and two different pieces.


Sent from my iPhone using Tapatalk

hmm I don't think I understand what you are referring to

[eimkeith]

Quick photo update

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hey, did you sell off these wheels??

[downshift]

hey, did you sell off these wheels??

Hey Keith, no I did not. I would be open to selling them

[slater]

hmm I don't think I understand what you are referring to

the AKG mounts are two pieces; poly with a metal sleeve. according to vince, the load from the subframe does not transfer correctly to the RACP in that scenario. the solid aluminum mounts are one-piece and since they are effectively "one" with the subframe, they transfer load correctly to the RACP.

it's a bit over my head, but i'm not an ME like he is. i think i can see what he means though.

all of this is not to say the AKG mounts are bad - but if you're looking for maximum performance and protection, the aluminum are the way to go. since i locked down the rear end with the VinceBar and VinceSkinz, it just made sense to do it. the car feels pretty darn tight back there, without feeling 'racecar' - it just feels 'expensive.' :)

[downshift]

the AKG mounts are two pieces; poly with a metal sleeve. according to vince, the load from the subframe does not transfer correctly to the RACP in that scenario. the solid aluminum mounts are one-piece and since they are effectively "one" with the subframe, they transfer load correctly to the RACP.

it's a bit over my head, but i'm not an ME like he is. i think i can see what he means though.

all of this is not to say the AKG mounts are bad - but if you're looking for maximum performance and protection, the aluminum are the way to go. since i locked down the rear end with the VinceBar and VinceSkinz, it just made sense to do it. the car feels pretty darn tight back there, without feeling 'racecar' - it just feels 'expensive.' :)

OK cool thanks for the explanation, I get it now. I am also an ME practicing in the aerospace field, and I can't say I agree with his concern of the load path through a bi-material item like the AKG sleeved bushings, but I will look into it. Thanks!

[slater]

OK cool thanks for the explanation, I get it now. I am also an ME practicing in the aerospace field, and I can't say I agree with his concern of the load path through a bi-material item like the AKG sleeved bushings, but I will look into it. Thanks!

awesome! the more knowledge the merrier! please post any thoughts or findings you have. :)

[downshift]

awesome! the more knowledge the merrier! please post any thoughts or findings you have. :)

Well I can't really say for sure. Material wise, there is no reason they would be different in load path and load transfer, and our structural engineer agrees. But these things are usually highly dependent on load direction, contact area from nuts/bolt heads, other finer details of load path that take time to research. So I'll trust what has been stated above.

[Sockethead]

I think what Vince and Peter are trying to say is the AKG solid contact area against the subframe mounting points is only the size of the inner sleeve since the rest of the bushing is flexible. On a solid mount you have the entire bushing acting as a solid contact area against the mounting point...

[downshift]

Got some goodies in the mail :)

MCS two-way dampers, 600/700lb Eibach springs, race mounts front and rear, tender spring setup, with rear weight jacks for height adjustment

17x9.5 et35 hyper black w/ r888r

Lemforder control arms w/ GC FCAB

AKG 75D bushings all around, including motor mount. Softer trans mounts

Fuel pump and filter. Air filter, sparks, etc

(Second) OMP WRC-R seat with VAC adapters and Schroth harness, all same as driver's side

Ground Control camber arms

32267

[ZHPizza]

good lord man

[Newjack]

Got some goodies in the mail :)

MCS two-way dampers, 600/700lb Eibach springs, race mounts front and rear, tender spring setup, with rear weight jacks for height adjustment

17x9.5 et35 hyper black w/ r888r

Lemforder control arms w/ GC FCAB

AKG 75D bushings all around, including motor mount. Softer trans mounts

Fuel pump and filter. Air filter, sparks, etc

(Second) OMP WRC-R seat with VAC adapters and Schroth harness, all same as driver's side

Ground Control camber arms

32267

Duuuuuuuude!

17's club yeaahhhh boyyyyyy

You are really gonna feel a difference with those AKG 75D bushings. Like a Hitachi Magic Wand on your butt

[downshift]

I know, I'm getting scared...

[BMWCurves]

Duuuuuuuude!

17's club yeaahhhh boyyyyyy

You are really gonna feel a difference with those AKG 75D bushings. Like a Hitachi Magic Wand on your butt

https://i.imgur.com/5BGMugP.gif

[downshift]

https://i.imgur.com/5BGMugP.gif

I won't :admin

[rkneeshaw]

Hey dude, great thread, and great progress on the car.

Did you put those poly bushes in for the diff yet? Curious if you get any gear whine afterwards. I was contemplating poly there but went with OEM, still wonder if I could've done the poly without any gear noise in the cabin.

Did you get adjustable camber plates up front? Those will make a huge difference on track. Will take your negative camber to almost -3 and you'll love it.

[Nolahokie]

Looking good. Do the lower grill! $40 for the two parts.

What site has the black lower grills? I would need for the coupe I'm building.


Sent from my iPhone using Tapatalk

[ZHPizza]

What site has the black lower grills? I would need for the coupe I'm building.


Sent from my iPhone using Tapatalk

Pretty sure it's these two:
https://www.ecstuning.com/b-genuine-bmw-parts/center-bumper-grille/51117893062/
https://www.ecstuning.com/b-genuine-bmw-parts/center-grille-adapter/51117896273/

Full parts diagram:

http://www.realoem.com/bmw/enUS/showparts?id=BD53-USA-01-2005-E46-BMW-330Ci&diagId=51_4310

[cornercarver]

31172

I know that farmstand... Where was that? I was just there last fall.

[downshift]

I know that farmstand... Where was that? I was just there last fall.

Allandale .. let's meet up

[cornercarver]

Allandale .. let's meet up
Definitely. Would love to check out your car and bench race a little (I used to run with COMSCC.)

Probably should shoot for April or May; weekends are nuts for me with two kids who have lots of weekend activities. Usually have to book things at least a couple of weeks out. Let's sidebar this and plan something.

[downshift]

Hey dude, great thread, and great progress on the car.

Did you put those poly bushes in for the diff yet? Curious if you get any gear whine afterwards. I was contemplating poly there but went with OEM, still wonder if I could've done the poly without any gear noise in the cabin.

Did you get adjustable camber plates up front? Those will make a huge difference on track. Will take your negative camber to almost -3 and you'll love it.

Hey, thanks. They are OEM. They will be AKG 75D in a few weeks though. I have differential whine on the highway already, but my car is gutted from the B pillars back, with an open trunk bulkhead.

Yes I got the Ground Control race versions with no rubber insulation. I'm going to be running close to -4 degrees up front. Also got the race mounts in the rear.

I am developing a tire temp sensor system to optimize my camber angles on track by measuring temps in real time. It has been a fun project so far.

32439

[downshift]

Guys I also got some new kicks ;)

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[downshift]

What site has the black lower grills? I would need for the coupe I'm building.


Sent from my iPhone using Tapatalk

I spray painted mine. Looks great. Didnt even take it off the car, masked everything well

[cornercarver]

I am developing a tire temp sensor system to optimize my camber angles on track by measuring temps in real time. It has been a fun project so far.
32439
That sounds like a pretty dang cool idea.


Guys I also got some new kicks ;)
32441
Those look like they’ll be fun in the snow. :rofl

I’m interested in your impressions with the square 255 setup on the track... Must be really easy to bring the rear around. Also would like to hear how the Proxes perform. Those don’t look shaved - are they?

[downshift]

That sounds like a pretty dang cool idea.


Those look like they’ll be fun in the snow. :rofl

I’m interested in your impressions with the square 255 setup on the track... Must be really easy to bring the rear around. Also would like to hear how the Proxes perform. Those don’t look shaved - are they?

I ran 255/40 square all last season. It was a good setup, felt great. The Proxes run wider than the RE71R and I moved from 17x9 to 17x9.5

We'll see how they feel at Thompson and Palmer

[BMWCurves]

Hyper Black? Good choice.

[Sockethead]

Hey, thanks. They are OEM. They will be AKG 75D in a few weeks though. I have differential whine on the highway already, but my car is gutted from the B pillars back, with an open trunk bulkhead.

Yes I got the Ground Control race versions with no rubber insulation. I'm going to be running close to -4 degrees up front. Also got the race mounts in the rear.

I am developing a tire temp sensor system to optimize my camber angles on track by measuring temps in real time. It has been a fun project so far.

32439

I have a Hella TPMS system I put in my car years ago... monitors pressure and temperature with settable alarms... Too bad they don't make it anymore. trying to find replacement sensors since all the batteries in them died about 6 months ago...

[downshift]

I have a Hella TPMS system I put in my car years ago... monitors pressure and temperature with settable alarms... Too bad they don't make it anymore. trying to find replacement sensors since all the batteries in them died about 6 months ago...

Cool!

The main advantage of what I am building is it will give me a gradient across each tire rather than a general tire temperature, which isn't super useful for tuning. I'm not familiar with the Hella system; does it give you a gradient?

[Sockethead]

Each tire is monitored for temp and pressure. The display shows a car with 4 "wheels". There is a button for scrolling through each wheel. It displays pressure and temp for each wheel as you scroll through. There is an audio and visual high/low alarm setting for pressure and a high temp alarm as well. It's a very sophisticated unit... I guess since all cars now come standard with TPMS, there was no market for it.
The problem is finding the replacement sensors... I have a couple of leads on the internet and a local place that says they can scan it and get the right sensors but I have to put my car back together and run it over there...

[downshift]

Each tire is monitored for temp and pressure. The display shows a car with 4 "wheels". There is a button for scrolling through each wheel. It displays pressure and temp for each wheel as you scroll through. There is an audio and visual high/low alarm setting for pressure and a high temp alarm as well. It's a very sophisticated unit... I guess since all cars now come standard with TPMS, there was no market for it.
The problem is finding the replacement sensors... I have a couple of leads on the internet and a local place that says they can scan it and get the right sensors but I have to put my car back together and run it over there...

Gotcha. So they do not show a temperature gradient, they show a single temperature for each tire? My goal is to have a temp profile across the tire width so I can tune my suspension angles. The average temp of the tire would be more or less unchanged as a result of these changes, only the lateral temp distribution would change.

I would be interested to play around with the system you are talking about

[cornercarver]

If you haven't already seen it, you might find some useful information here; http://www.izzeracing.com/products/infrared-temperature-sensors.html

[downshift]

Hyper Black? Good choice.

Thanks, yeah I wanted to switch it up from the silver

[Sockethead]

Gotcha. So they do not show a temperature gradient, they show a single temperature for each tire? My goal is to have a temp profile across the tire width so I can tune my suspension angles. The average temp of the tire would be more or less unchanged as a result of these changes, only the lateral temp distribution would change.

I would be interested to play around with the system you are talking about

It's kinda a moot point. Looks like they discontinued the unit years ago judging by the lack of information on the internet. The unit I have is still instilled in my car.... the base unit/receiver is under the center console and the head unit is mounted in the ashtray... otherwise, I'd just send you the whole thing.


If you haven't already seen it, you might find some useful information here; http://www.izzeracing.com/products/infrared-temperature-sensors.html
That's cool stuff! I was wondering hoy they were going to measure heat across the tire through a tire mounted TPMS.... I see it mounts up in the wheel well.

[downshift]

Got my Ground Control FCAB pressed into my old lollipop housings. Had to make a custom tool.

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And made some custom bushings out of stainless for my MCS dampers (same as stock, I just didn't want to wait for shipping)

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She did great on track

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[BMWCurves]

Nice pics. Are you racing with someone with a D-type/XKSS kit car?

[rkneeshaw]

Looks great!

What suspension setup are you running in that last pic? and are you running 30 ET 17x9.5 wheels with 255's square?

On stock wheels with 10mm spacer and stock camber I was getting rub inside the front fender (like UP inside the fender on the splash shield) on some corners that compressed the suspension (e.g. hard left hander with a dip in the middle of it). I'm on original stock 136k suspension though.

No rubbing issues in the front or rear under hard cornering?

If I remember right you've got an aggressive fender roll in the rear.

[derbo]

so awesommeeee!! I am living vicariously through your ZHP build. :)

[downshift]

Nice pics. Are you racing with someone with a D-type/XKSS kit car?

Yeah this was an open track day. Good time!

[downshift]

Looks great!

What suspension setup are you running in that last pic? and are you running 30 ET 17x9.5 wheels with 255's square?

On stock wheels with 10mm spacer and stock camber I was getting rub inside the front fender (like UP inside the fender on the splash shield) on some corners that compressed the suspension (e.g. hard left hander with a dip in the middle of it). I'm on original stock 136k suspension though.

No rubbing issues in the front or rear under hard cornering?

If I remember right you've got an aggressive fender roll in the rear.

Hey, the setup is 17x9.5 et23 front 17x9.5 et30 rear, 255-40-17 square but they are r888r so they measure more like 265. Thats equal to running a 48mm spacer in the front with the stock wheels, so it's pretty aggressive

The suspension setup is MCS 2-way dampers and ground control race mounts everywhere, delrin bushings everywhere, -3.5 degrees camber front -2.3 rear

Stock spring rates are roughly 150 I think? and I'm at 750, so that helps a lot. No, I don't get any rubbing at all

My fenders are rolled very aggressively all around. The car is about 3.5" wider than it was before

[rkneeshaw]

Very nice! I ran the Hankook RS4's 255 squared on 17" arc8's this last weekend and was really happy with them, it was super hot out but they were very consistent and never got greasy on me.

I love your build its awesome.

Any regrets going with full delrin and solid bushings while driving on the street?

[downshift]

Very nice! I ran the Hankook RS4's 255 squared on 17" arc8's this last weekend and was really happy with them, it was super hot out but they were very consistent and never got greasy on me.

I love your build its awesome.

Any regrets going with full delrin and solid bushings while driving on the street?

Thanks!

And no, fuck it!!! My diff sounds like a rocketship

[downshift]

33142

[downshift]

The ZHP got new:

G-Loc R10 race pads
600 brake fluid
Bimmerworld race brake lines (insulated)
Foglight delete (for brake ducting)
Suspension mount point reinforcement
Catless headers (ceramic coated at Jet-Hot)
Magnaflow cat-back exhaust system
AKG race bushings everywhere including motor and trans mounts
Ground Control rear camber arms

I also rebuilt parts of the motor in my driveway:
New PRD oil pump with retention screws (to fix harmonics issues at higher RPM)
rebuilt VANOS unit
rebuilt DISA unit

The car also just got a custom tune from Randy, owner of EPIC motorsports. Tune attributes are:
new fuel mapping
new throttle mapping
RPM limit changed to 7200, and style changed so throttle does not cut completely when this limit is reached
CEL light does not illuminate due to no cats and no SAP
nominal coolant temp reduction

33409

33410

33411

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33413

[Newjack]

The ZHP got new:

G-Loc R10 race pads
600 brake fluid
Bimmerworld race brake lines (insulated)
Foglight delete (for brake ducting)
Suspension mount point reinforcement
Catless headers (ceramic coated at Jet-Hot)
Magnaflow cat-back exhaust system
AKG race bushings everywhere including motor and trans mounts
Ground Control rear camber arms

I also rebuilt parts of the motor in my driveway:
New PRD oil pump with retention screws (to fix harmonics issues at higher RPM)
rebuilt VANOS unit
rebuilt DISA unit

The car also just got a custom tune from Randy, owner of EPIC motorsports. Tune attributes are:
new fuel mapping
new throttle mapping
RPM limit changed to 7200, and style changed so throttle does not cut completely when this limit is reached
CEL light does not illuminate due to no cats and no SAP
nominal coolant temp reduction

33409

33410

33411

33412

33413

WOW

[RUS_ZHP]

You have a serious track weapon my friend.
Car is looking very good

Sent from my SM-G900V using Tapatalk

[Sockethead]

What's your take on the magnaflow and headers?

[downshift]

You have a serious track weapon my friend.
Car is looking very good

Sent from my SM-G900V using Tapatalk

Thanks!


What's your take on the magnaflow and headers?

It is a great sounding combo. And I noticed a significant power increase. Happy to send you video with good audio if you send me your number (iphone so it doesn't degrade quality).

[Sockethead]

I was curious because I have the same setup (looks like Bimmerbrakes gen3 headers) but I replaced the bare X pipe with and X pipe muffler.
Mine sounds good until I hit the upper RPMs. The rear muffler seems to be too restrictive for the supercharger because it's a single 2.25" outlet at the Y for the tips. It makes a god awful noise...

I don't like the fit on the second cross brace either. I get a rattle there.

[downshift]

I was curious because I have the same setup (looks like Bimmerbrakes gen3 headers) but I replaced the bare X pipe with and X pipe muffler.
Mine sounds good until I hit the upper RPMs. The rear muffler seems to be too restrictive for the supercharger because it's a single 2.25" outlet at the Y for the tips. It makes a god awful noise...

I don't like the fit on the second cross brace either. I get a rattle there.

I had a custom braket fab'd up for the mid support

[Sockethead]

I had a custom braket fab'd up for the mid support

Damn , you have any pics of that?
I was going to cut the pipes and re weld it the way it should be. But no one wants to lay under the car with a MIG gun in their hand...

[downshift]

I will try to take a photo when I'm back on the lift, I actually haven't seen it myself. Was in a big rush to get to the track

[rkneeshaw]

I also rebuilt parts of the motor in my driveway:
New PRD oil pump with retention screws (to fix harmonics issues at higher RPM)

...

The car also just got a custom tune from Randy, owner of EPIC motorsports. Tune attributes are:
new fuel mapping
new throttle mapping

33409

Josh, nice work!

More info on the fuel and throttle map adjustments? Did he add more fuel for you or something under full load?

Also what wheels are you rocking in this pic?

Brave work installing that PRD oil pump in the driveway, I think you have to drop the front subframe to drop that oil pan and get access to that...?

Keep up the awesome work!

[Sockethead]

Yep Ryan, you have remove all that stuff. I was replacing my oil pan gasket anyway so I used an Achilles oil pump. Just make sure you prime the pump before installation.
I'm also curious about the tune. I need more fuel and AJ is no help

[downshift]

Josh, nice work!

More info on the fuel and throttle map adjustments? Did he add more fuel for you or something under full load?

Also what wheels are you rocking in this pic?

Brave work installing that PRD oil pump in the driveway, I think you have to drop the front subframe to drop that oil pan and get access to that...?

Keep up the awesome work!

Thanks, yes I dropped the whole front end including bumper, rad, k member subframe and oil pan. You also need to take the whole front cover off to access the oil chain tensioner install location. so water pump and crank comes off.

I'm not sure what he added to the tune. smoothed out the 4k power dip and added a good bit of power everywhere, and it has WAY better response (stock response is atrocious)

Im running APEX FL-5 here, they were the first set of production way back a year ago or so. they have 615k 235/40-18 on them
/

[downshift]

Yep Ryan, you have remove all that stuff. I was replacing my oil pan gasket anyway so I used an Achilles oil pump. Just make sure you prime the pump before installation.
I'm also curious about the tune. I need more fuel and AJ is no help

Not only did I not prime the pump, i stripped on of the bolts that hold the sprocket on, and stripped two of the four female oil pump girdle mounting holes that are threaded directly in the block.

SENT IT ANYWAY. been living at 7200 rpm for over a month now and 4 track days since then, no issues

[downshift]

with that said, it'll probably blow up soon

[Sockethead]

Hmm. I didn't take 3/4 of that stuff off when I did mine. Just the cross member and oil pan. Took the nut off the sprocket to get the chain off and vise versa to get the new pump on.
I've always primed the oil pump on any rebuild I've done that involves the oil pump. I even had a tool I made for Ford V8s that went down the distributor shaft to the oil pump drive gear. I'd spin that baby with a drill and whatch the oil pressure gauge go to 80 psi without the engine running :)
Sounds like not priming the pump worked out for you though...

[downshift]

Hmm. I didn't take 3/4 of that stuff off when I did mine. Just the cross member and oil pan. Took the nut off the sprocket to get the chain off and vise versa to get the new pump on.
I've always primed the oil pump on any rebuild I've done that involves the oil pump. I even had a tool I made for Ford V8s that went down the distributor shaft to the oil pump drive gear. I'd spin that baby with a drill and whatch the oil pressure gauge go to 80 psi without the engine running :)
Sounds like not priming the pump worked out for you though...

The reason the rest had to be removed was because I replaced the whole pump with a different one, not just the shaft. So the whole cradle had to come off and the sprocket was a new one, did not reuse the original. Front engine cover has to come over to access location for adding oil chain tensioner, which these cars do not come with

[Sockethead]

Ahh I thought there had to be a reason for taking the front cover off. I swapped the whole pump too but didn't add the tensioner. What part number is the tensioner? Is that the one from the S52?

[ZHPizza]

Bruh u made the fit guide

https://support.apexraceparts.com/hc/en-us/articles/360003547213-E46-Non-M-Wheel-Tire-Fitment-Guide

[downshift]

Bruh u made the fit guide

https://support.apexraceparts.com/hc/en-us/articles/360003547213-E46-Non-M-Wheel-Tire-Fitment-Guide

AYYY that's dope. And hilarious because that photo has no camber plates installed...lol

[derbo]

lollll