Bimmerfest - BMW Forums - View Single Post - Easy way of opening exhaust valve on a 550i
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Old 03-28-2012, 08:12 AM
Gerry550 Gerry550 is offline
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Location: South Africa
Join Date: Aug 2011
Posts: 34
Mein Auto: 2006 550I M Sport
I am loving this simple mod! Car sound as it should have from the start, pardon the pun!
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