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      11-17-2012, 04:19 PM   #111
GrussGott
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Drives: E93 M3
Join Date: Jun 2009
Location: California

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2011 E93 M3  [0.00]
Quote:
Originally Posted by mkiv808 View Post
100 won't benefit your car at all, neither will "95". It doesn't have the compression/timing to utilize the extra octane.
This what the ED BMW delivery people told me: 91 is what to buy, everything else does little or nothing unless you "re-engineer the car"