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brens323
08-25-2011, 07:39 AM
I've noticed there seems to be a number of cars here with new clutches well before 100,000 miles and am wondering what the average life of a clutch in these cars is. I would normally expect a clutch to last 150,000 to 200,000 miles.

One of the reasons we are looking at replacing our automatic 323is with a manual zhp is for the longevity aspect of the manual vs. auto.

Any good data out there?

billschusteriv
08-25-2011, 07:44 AM
This really depends on your driving style. I would presume a clutch could last 150,000 miles if you 'babied' it.

No engine braking, always rev matching, no grinding gears, no dumping the clutch, giving only the perfect amount of gas to set the car in motion, etc etc.

I have 275k on the e30 and, presumably, I just installed the third clutch.

az3579
08-25-2011, 07:45 AM
Entirely dependent on whether you have a clutch delay valve installed, your driving style (do you rev match?), and the type of driving you do (highway or city). You could get 50k, you could get 200. The biggest part of it that affects it the most is how well you drive.

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brens323
08-25-2011, 07:52 AM
I must be fairly easy on them, I have an Audi with 156,xxx miles on original clutch with no signs of slippage.

I've seen some talk about the clutch delay valve but haven't lived with a car so equipped. If it is operating as intended should it extend the life of the clutch or would it shorten it?

llll1l1ll
08-25-2011, 09:10 AM
I think that also depends on your driving style. But yeah, clutch wear is greatly affected by how you drive. If you're a crappy rev-matcher, your clutch is gonna be crappy.

Johal E32
08-25-2011, 09:29 AM
116k miles and original clutch here!! still engages perfectly

danewilson77
08-25-2011, 09:34 AM
116k miles and original clutch here!! still engages perfectly

133,300 and still going strong!

HokieZHP
08-25-2011, 10:52 AM
124k and still good here

SoarinZHP
08-25-2011, 04:58 PM
71111 - no problems here... Hahahaha...

Oli77
08-25-2011, 05:30 PM
If it is operating as intended should it extend the life of the clutch or would it shorten it?

As intended, the CDV helps with the smoothness of the engagement but likely causes accelerated wear (more slippage).

My 1993 Toyota Camry (4 cyl.) has original clutch with 110,000 miles. Never rev matched (or extremely rarely in town), always down shifted, all city driving.

The 325 has 77,xxx miles and going strong (I hope)

telijah
08-26-2011, 06:33 AM
I beat the hell out of my car and I replaced mine at 117k miles, but only because the throw out bearing exploded. Pic of the old disc, which seemed to still have some good life left: https://picasaweb.google.com/lh/photo/MKwsvDHzjuPbDfw115tIgA?feat=directlink. That album has the rest of the photos involving my clutch swap, and pics of the exploded bearing. The bearings went rolling everywhere when the attempted to remove it from the input shaft.

RVAzhp
08-30-2011, 11:11 AM
Speaking with John at Raceworks in Virginia Beach, he typically replaces e46 clutches around 120-130k depending on driving habits. but, not uncommon to go 150Kish.

I have 123k on original clutch. no issues (aside from well known clutch "chatter")

Johal E32
08-30-2011, 11:29 AM
oh and I do rev-match it sometimes

VA//M3
09-08-2011, 06:53 AM
My car has 146k miles and shows no signs of clutch chatter or slippage. However, I don't know if it's still original.