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      01-24-2013, 09:37 AM   #27
Devas
Second Lieutenant
Canada
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Drives: 2011 E90 M3 / 2012 F30 335i
Join Date: May 2010
Location: York Region

iTrader: (1)

During cold startup it louder than stock, and you'll probably hear your turbo spooling, almost sounds like a loose metal piece in your exhaust. Once the car reaches 70 degrees, to me, it sounds like stock.
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