Thread: Does anyone have experience with this engine "whistle" sound?
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      10-16-2017, 07:01 PM   #18
ciges
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Drives: 2008 E90 M3 IB SLICKTOP 6MT
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Quote:
Originally Posted by Talk2meg00se View Post
Are you running a stock filter / intake?
I have aFe carbon stage2 intake,but it has same whistle with stock filter and intake.
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