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      07-29-2010, 08:12 AM   #8
E60orBust
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Drives: "The Brothers //M-Sport" E90/2
Join Date: Jul 2007
Location: MD

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Quote:
Originally Posted by EnjoixE92 View Post
i test drove 1 and the guy who took me for the drive at the dealer had no idea of it so is it after market? the corvettes have these stock on their cars
Video title says "2011 BMW 550i electronic exhaust bypass valve install at Unlimited Autosport In New York"....so aftermarket?
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