Thread: 1M Mods ongoing
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      08-15-2012, 09:23 PM   #181
RoadRunner///M
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Drives: 1M (Sold), M3 F80
Join Date: Mar 2011
Location: Sydney, Oz

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Quote:
Originally Posted by Zuzu View Post
The gearbox on the 1M does feel different than the 135i, but that is not where the CDV delete will be of benefit.

CDV delete regulates the pressure for release of the clutch plate against the flywheel, to stop that jerky feeling between gear changes.

http://www.zeckhausen.com/cdv.htm

Absolute must mod... actually my first mod on both my 135i and 1M.
Still waiting for my AFE CAI!.... is 40 days for USPS too long? I can claim after 45 days.