WHO HAS THE MOST POWERFUL F10 M5 in the U.S.?
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11-30-2012, 03:07 AM
Drives: Riviera Blue F10 M5(Mika)
Join Date: Apr 2012
Location: Sunny San Diego
Or you can just throw caution to the wind and go with this exhaust system. Probably makes 80hp. With the music it seems legit. Lol!
Last edited by RPiM5; 11-30-2012 at
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