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      06-29-2013, 01:41 PM   #15
zayzay
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Drives: bmw 1M
Join Date: Aug 2011
Location: Florida

iTrader: (0)

got my car back from bmw and they told me it is the afe sealed intake that is making the whistling sound due to more airflow. they said they check the car thoroughly and when they removed the intake the sound was gone. dont know?
Appreciate 0