EMP Stuart Water Pump!!! 40k miles

[Dr Dynamite]

I came across a EMP Stuart Water Pump with 40k miles on it, keep in mind I am on a tight budget (sigh), what are your thoughts on buying this pump?
I don't need the part right now but I will some time soon. Thanks yall

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[Johnmadd]

Buy it.

[ELCID86]

Price?


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"ZHP is a garbage option anyway- just some cosmetic upgrades with a different cam and diff to claw back some of the performance lost fitting those hideous and heavy wheels. Any 330 with a 3.46 diff will smoke a ZHP every time. The whole Mafia thing reeks of childish behavior." - an e46f member

[Dr Dynamite]

Price?


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"ZHP is a garbage option anyway- just some cosmetic upgrades with a different cam and diff to claw back some of the performance lost fitting those hideous and heavy wheels. Any 330 with a 3.46 diff will smoke a ZHP every time. The whole Mafia thing reeks of childish behavior." - an e46f member
85$....... I'm just wondering how long those pumps operate ... 85$ is a good deal

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[Dr Dynamite]

Buy it.
40k miles on the pump is ok you think?

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[FungShui]

Doesn't seem like a bad deal considering new is $195. Too bad the warranty is non transferable.

[Johnmadd]

40k miles on the pump is ok you think?

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It's definitely not a lot. Mine has 100,000.

[ELCID86]

I'd probably go new but it sounds like an ok deal and most likely would not give you problems for quite some time.

[KevinC]

Personally, I would NEVER buy a used water pump. To even remotely consider it, I'd have to know the seller and the mileage would have to be 100% confirmed. Even then - no. Just not worth the risk, and a proper new one is quite affordable anyways.

And, I replaced mine with OEM with composite impeller. Stewart's claim to fame is their metal impeller, but IMHO it's overkill and some say is not as efficient as the composite type, which are not crappy plastic like the old E36 generation garbage.

[az3579]

I'd rather replace an OE water pump at a set interval than ever get stranded. The Stewart may last longer (or maybe not), but I'd rather not take the chance. The money you spend on a 40k water pump would probably just get you a brand new OE one.

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[danewilson77]

Personally, I would NEVER buy a used water pump. To even remotely consider it, I'd have to know the seller and the mileage would have to be 100% confirmed. Even then - no. Just not worth the risk, and a proper new one is quite affordable anyways.

And, I replaced mine with OEM with composite impeller. Stewart's claim to fame is their metal impeller, but IMHO it's overkill and some say is not as efficient as the composite type, which are not crappy plastic like the old E36 generation garbage.
I agree with this. Why is he selling it? Part out?

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[Simmsled]

I'd rather replace an OE water pump at a set interval than ever get stranded. The Stewart may last longer (or maybe not), but I'd rather not take the chance. The money you spend on a 40k water pump would probably just get you a brand new OE one.

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1000% this.

[Dr Dynamite]

I agree with this. Why is he selling it? Part out?

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I found it on ebay. .. it made me curious but now I'm thinking I should just buy a new one for peace of mind. What should I get. Composite, oem ???

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[Simmsled]

Saleri is the brand you are looking for.
Pelican has it for a very decent price.

[ELCID86]

OEM.


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"ZHP is a garbage option anyway- just some cosmetic upgrades with a different cam and diff to claw back some of the performance lost fitting those hideous and heavy wheels. Any 330 with a 3.46 diff will smoke a ZHP every time. The whole Mafia thing reeks of childish behavior." - an e46f member

[Sockethead]

Nothing wrong with composite OEM. One of the great myths of the Internet...the plastic impellers are long gone

[stephenkirsh]

$85 is too close to the price of a brand new OEM one. I too would go OEM.

It could be 80k miles and the dude is just saying its 40k.

[rkneeshaw]

Risky to buy one used off ebay. You just don't know where that things been. But 40k doesn't seem like much for a Stewart unit.

I went with Stewart because its a very high quality unit and it should last me the life of my car. OEM are known to fail. Comparing the two in person when I did the swap, I'm pretty confident I wont be replacing the stewart, its built very well...

[Sockethead]

My Bosch metal impeller water pump only lasted 40k before the bearing failed in a very noisy way. Replaced with OEM

[JohnnyGraphic]

My original BMW water pump was still working, but was leaking at 70k miles. I replaced it with a Graf metal impeller unit. The difference in price between the BMW unit and the Graf unit was negligible.

IMHO, I would buy a new OEM one for piece of mind.

[BMWCurves]

I bought an OEM since supposedly BMW updated the composite material a few years after the E46 was launched to address its design flaws. You could go for the Stewart pump for ease of mind. Personally, I like to install brand new parts rather than used parts if they are integral to the engine's function. Peace of mind and all that.

[JohnnyGraphic]

T
I bought an OEM since supposedly BMW updated the composite material a few years after the E46 was launched to address its design flaws. You could go for the Stewart pump for ease of mind. Personally, I like to install brand new parts rather than used parts if they are integral to the engine's function. Peace of mind and all that.

Totally agree with this. Cooling system is pretty critical to the engine. Would not skimp.



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[STREETFIGHTER50]

Saleri is what I put in my current & previous cars

[Fried_Chicken]

I would stick with OEM. BMW designed the car, the engine, the cooling system. If they felt a high flow pump were necessary they would have put one in.

[cakM3]

OP, I would recommend getting an OEM BMW water pump from FCP Euro. They offer a remanufactured OEM BMW water pump for $104.99 which also comes with their lifetime warranty on this part. Yes, a lifetime warranty. You won't get that with the used Stuart water pump or any water pump you get from anywhere else..... For just a little more than what you can get I will say it's worth piece of mind knowing if you have any issues you can contact FCP Euro and have another one on the way - you pay cost of shipping. Not a bad deal if you ask me. Here's the link :thumbsup

https://www.fcpeuro.com/products/bmw-water-pump-genuine-bmw-11517527910oe (https://www.fcpeuro.com/products/bmw-water-pump-genuine-bmw-11517527910oe)

In fact, get everything you will need from FCP Euro because they will warranty anything they sell for life....

link to their writeup on their warranty.... https://www.fcpeuro.com/page/lifetime-guarantee (https://www.fcpeuro.com/page/lifetime-guarantee)

[Just_George]

I would stick with OEM. BMW designed the car, the engine, the cooling system. If they felt a high flow pump were necessary they would have put one in.

Not sure I entirely agree with this. Every auto manufacturer makes compromises, usually based on price. Do you really think Sachs are the best struts/shocks that BMW could install at the factory? No, Konis or Bilsteins would be better, but the Sachs are probably the best value compromise. Manufacturers aren't shopping for the absolute best part, they're shopping for the best value.

I'm of the opinion that some aftermarket companies can devote the time and effort to developing superior products that the factory simply won't consider based on cost. I'll gladly spend the money for something like an EMP Stewart water pump, or the G.A.S. Disa kit just for the added piece of mind. Surely not everybody's cup of tea, just my opinion.

[stephenkirsh]

I would stick with OEM. BMW designed the car, the engine, the cooling system. If they felt a high flow pump were necessary they would have put one in.

Is that why the expansion tank fails if you sneeze too closely to it?

[az3579]

Is that why the expansion tank fails if you sneeze too closely to it?

I think that's more to do with the higher pressure cap they use. This is why I bought a G.A.S. expansion tank cap - it vents at a lower pressure, reducing the amount of pressure the tank has to take.

[stephenkirsh]

I was making a humorous observation that BMW, or any manufacturer, doesn't always design something to the best of the best, an therefore, the OEM water pump isn't necessarily the best simply because BMW made it.

I bought a cap from the e30 expansion tank. 1.4 bar and like 1/10th cost of the GAS one.

[BMWCurves]

I was making a humorous observation that BMW, or any manufacturer, doesn't always design something to the best of the best, an therefore, the OEM water pump isn't necessarily the best simply because BMW made it.

I bought a cap from the e30 expansion tank. 1.4 bar and like 1/10th cost of the GAS one.

Part number?