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      01-09-2013, 01:49 PM   #25
EliteM3
Private First Class
 
Drives: 2009 E90 M3
Join Date: May 2012
Location: Morgan Hill, CA

Posts: 170
iTrader: (0)

Got my car back from the dealer and the result is unfortunate.

They claim the occilating bassy hum I hear from 70mph+ is from my modified oem exhaust (which it isn't since I have experienced the bass before I modified the exhaust). They claimed to takes stethoscope to the car while running. They checked the wheel bearings, as well.

The vibration I feel at the same speed interval they claim to be the tires out of round. They checked the wheels for bends as well. Again, the tires were brand new when I was experiencing the vibration (since i purchased the car 14k miles ago) and the vibration has been experienced the whole time.

Weak sauce.
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09 Space Gray E90 M3 DCT: BPM (Stage 1, DCT and Servotronic) tune, Gintani Sport Exhaust, Dinan Intake
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