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      08-14-2013, 11:10 AM   #17
Second Lieutenant
Drives: 335xi 09
Join Date: Jan 2013
Location: Montreal

Posts: 290
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Originally Posted by zero2sixtyZ View Post
Did this over the past weekend. Not noticeable unless under decent load, or WOT then shift. Not a bad sound, but I may reverse this based on slowbmw's assessment.
Thats is normal, your BOV will not vent boost unless you are creating some (wich incidently only happens under moderate to heavy load)
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