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Old 09-29-2009, 06:37 PM
WillInDenver's Avatar
WillInDenver WillInDenver is online now
1oz perception-1# obscure
Location: Denver
 
Join Date: Oct 2007
Posts: 2,634
Mein Auto: 2013 535i XDrive M-Sport
Mine does it too, precisely as you describe. I took it to the dealer about a year ago - they claimed that that valves had carbon buildup. I paid $200 to have them cleaned, and the car exhibited the same behavior on the way home from the dealer, that same day. So avoid that diagnosis.

I think I notice that it stops happening if I reset the transmission programming with the 60 seconds on the foot pedal trick, but if so, it always returns. I'm not sure it's a showstopper problem, as long as it's not causing additional harm - but I wish it wouldn't do it.

Please post back here (or, better yet, PM me) if you determine what this issue is.
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-Will
2013 535i xDrive M-Sport | 2005 545i Sport (Retired and Missed) | 2001 X5 3.0 Sport (Retired)
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