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      06-22-2015, 05:15 PM   #4
Physics
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Drives: 2009 E92 M3
Join Date: Mar 2015
Location: Houston

iTrader: (3)

I have this exact same sound. I also have an "Eeeeeee" when I hit boost hard. I have no leaks as I'm hitting boost in the logs but it's definitely there.
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