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      12-02-2012, 11:04 PM   #88
Flava
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Drives: 2007 335i
Join Date: Nov 2012
Location: Calgary, AB

Posts: 65
iTrader: (0)

I get that siren noise at low rpms but only when the turbos are under load. So it's present while driving but not when I'm parked and revving the motor like in the original video
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