WHO HAS THE MOST POWERFUL F10 M5 in the U.S.?
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11-30-2012, 02:07 AM
Drives: Triple Black 2013 F10 M5
Join Date: Apr 2012
Location: Washington, D.C.
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!
I need a BMW M4 like I need a Homemade Twinkie Machine. Just for fun!
Last edited by RPiM5; 11-30-2012 at
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