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      12-27-2017, 05:40 PM   #4
mashimarho
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Drives: E92 M3 & F80 M3 & G82 M4
Join Date: Mar 2010
Location: Lynnwood, WA

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Made a thread almost 6 years ago. not sure if this was solved. I just fought sound with sound. Get a loud exhaust.

http://www.e90post.com/forums/showth...itch+frequency
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