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      11-18-2012, 10:58 PM   #122
GrussGott
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Drives: E93 M3
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Quote:
Originally Posted by TheDeliverator View Post
IIRC: There have been a few threads here on how the ECU adapts to blending higher octane gases. I seem to remember something about the ECU not adjusting much above 95 octane.

I could be wrong but I do believe the ECU will adjust between 91 and 93 octane.
I ain't no expert but I'm guessing it will adjust for knock and emissions but that it means squat at the wheels for power.

Of course I really have no idea, but I would LOVE to see some dynos of 91 v 93