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      07-01-2010, 03:41 PM   #1
SuitedPair
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Tips on clutch break-in?

Just got my '11 M3 couple weeks ago and I've been reading other posts that refer to clutch break-in. This is my first 6MT (the wife's old eclipse doesn't count)so I'm open to any pointers for optimal clutch break-in. The only thing the manual said was to vary the rpms when traveling long distances... don't think that affects the clutch? I didn't realize there was a clutch break-in period. Is it just normal wear and tear? (BTW, search revealed nothing)
Thanks in advance for any pointers.
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      07-01-2010, 05:04 PM   #2
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Just don't abuse it. Same with the brakes. Clutch (and brakes) break-in period is much shorter than the engine's, but since both go hand in hand, I'd just wait until your 1.2K-mile service before adding heavy throttle. I never abused my clutches, regardless of miles, but some folks like jack-rabbit starts. Much better to lay the gas after clutch is engaged, but that's just me. That way you'd never have to worry about replacing a clutch. Oh, and that assumes you don't 'ride' the clutch, leave it depressed on traffic lights, slip it excessively, etc. I only touch the pedal (and the gear lever) to shift gears. Take care.
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      07-01-2010, 09:46 PM   #3
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      07-15-2010, 04:51 PM   #4
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On the E39 M5, BMW M specified 800-1000 gear changes under "normal, moderate" driving conditions yields an optimally broken-in clutch/pp/flywheel. This was derived through empirical testing. I would hazard to guess that a similar experience is valid with the new M3.

See this post.

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Chuck
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