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      10-06-2012, 02:50 PM   #4
Prince_of_Persia's Avatar
Drives: 6MT E92 M3
Join Date: Aug 2010
Location: Vancouver, BC

Posts: 2,375
iTrader: (1)

It is most likely because of AC. Drive one time without AC on and see if it makes the same noise. I think we have a million threads about this lol

AW|FR 6MT E92 ///M3
Prince_of_Persia is offline   Canada
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