Thread: Race gas
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Old 03-04-2010, 11:44 AM   #7
TR_MS3
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Join Date: Mar 2006
Location: San Diego
Posts: 313
My Ride: 2002 M3 Convertible
Quote:
Originally Posted by 330i6spd View Post
octain is an anti knock index rating, not an energy index rating!
qft
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