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Schullz51 · 10-14-2014, 04:30 AM

Agree with it's either A.) Normal turbo noise which you said you aren't used to which I would describe as a lower pitched whooshing noise. or B.) A boost leak which I would describe as a higher pitched whistling noise.

10-14-2014, 04:30 AM	#6
Schullz51 Private First Class 75 Rep 146 Posts Drives: 2015 AY M3 Join Date: Aug 2014 Location: Pittsburgh iTrader: (0)	Agree with it's either A.) Normal turbo noise which you said you aren't used to which I would describe as a lower pitched whooshing noise. or B.) A boost leak which I would describe as a higher pitched whistling noise. __________________ 2015 F80 AY M3 - Delivered 11/19. DCT, Extended Black Leather, Adaptive Suspension, Black 19's. "AY Brave" 2015 BMW M3 F80: 11.780 @ 118.670 MPH
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