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      12-29-2012, 11:46 PM   #55

Drives: X1 x28i; 128i; S2000
Join Date: Jul 2010
Location: Orange County, CA

Posts: 672
iTrader: (0)

Here in California 91 octane is the max at the pump but our gas can be as high as 10% ethanol. I believe the ethanol blends are the reason few will be able to achieve the EPA estimates.

Last edited by nospam; 12-30-2012 at 12:25 AM. Reason: moved edited comments to new post