E46Fanatics - View Single Post - Air release sound on shut down of motor?? 330i
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Old 06-27-2011, 08:32 AM   #9
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Join Date: Jun 2010
Location: scottsdale az yonkers ny
Posts: 415
My Ride: E36 332i
i have the k&n short ram and it does the same thing, but it only started happening when i took my entire A.C. system
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