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      07-25-2009, 10:06 PM   #2
Starscream
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Drives: ///M Roadster + E92 335i 6MT
Join Date: Dec 2007
Location: Park Ridge NJ + Windermere FL

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Did you just buy the car?

Reason I ask is that most people complain about this on the Z4M's,
It takes a little getting used to but you should be able to stop doing it,

I can tell you the CDV was done on my car within the first few days of taking delivery and I do believe it helps a lot,

The CDV slows down the clutch release and it would make sense that it could cause the grind,
I wouldn't remove it, a company called Zechausen Racing sells a modified valve that on visual inspection under the car appears to be stock,

http://www.zeckhausen.com/BMW/Z4-M_Coupe_Roadster.htm

According to board members some dealers get "funny" when it comes to any modifications, at least if it looks stock it doesn't throw up a red flag,

My dealer is too stupid to even notice such a thing,
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