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      12-28-2012, 11:24 PM   #7
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Drives: 2008 335i + 2014 X5
Join Date: Dec 2011
Location: DFW, Texas

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2008 BMW 335i  [4.38]
Originally Posted by AndyR83 View Post
I had it done at an indy shop. I'm fairly certain the sound originates inside the cab, but I never considered that possibility. Hmm...
I have the exact same damn noise. Drives me nuts. It almost sounds like it's coming from somewhere behind the center armrest or the backseat air vent area. I've had people sit in the backseat and press on things but no luck. Guess I'll have to check under the car for loose bolts, too.

2008 E90 335i // Black Everything // photos
COBB tuned / QTP e-cutouts / Helix FMIC / cp-e DCI / AWE BOVs / Catless / FBO + F15 X5 xDrive35i