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Old 06-27-2011, 08:24 AM   #7
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Join Date: Apr 2009
Location: Fairfax, Va
Posts: 5,805
My Ride: M3
It seems to be a fairly normal occurrence. Some people say its the oil separator and some say its the ac compressor releasing pressure. Either way, i dont think its really harmful.

if it makes any difference, my noise was more noticeable with my CAI on, weird?

How to refinish rims

2004 Noble M12 GTO 3R
1998 M3 Coupe
1996 BMW M3
2003 330I ZHP

1998 Honda Civic - Sister Totaled
2002 330CI - SOLD
2006 CBR 600RR - SOLD
1995 M3 Coupe - SOLD
1988 325E - SOLD
1996 Cherokee - SOLD
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