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      12-30-2012, 12:52 AM   #56
Red Bread
Brigadier General
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Drives: My wife's car
Join Date: Oct 2008
Location: Dallas, TX

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Quote:
Originally Posted by nospam
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.
Oddly, I saw no difference in CA 91 octane and TX 93 in either BMW I had in both states.