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      03-31-2011, 12:09 AM   #3

Drives: E92 335
Join Date: Jan 2007
Location: U.S.

Posts: 825
iTrader: (8)

I have the exact same thing, but mine started after replacing the spark plugs. Happens only when the engine is warm, and more often when A/C is off as you described.

I couldn't get the tech replicate this when I took the car in the last two times, so I gave up.