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Z4MCJJ · 01-26-2009, 04:30 PM

Does anyone know what the 91 vs 93 octane map is all about? That seems like such a small difference. We have 91 in AZ. But I mix 100 octane to about 95 octane for track days (which have been only two since I got this car).

01-26-2009, 04:30 PM	#20
Z4MCJJ Lieutenant 4 Rep 448 Posts Drives: Z4MC Join Date: Dec 2008 Location: Z4MC iTrader: (0)	Does anyone know what the 91 vs 93 octane map is all about? That seems like such a small difference. We have 91 in AZ. But I mix 100 octane to about 95 octane for track days (which have been only two since I got this car).
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