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**Mystikal** · 02-24-2008, 10:23 AM

Go ahead and try the 91, Mark likely advised you that because the mapping isn't aggressive enough to make 91 dangerous.

As for the ethanol itself, it's just not as efficient as gasoline.

Jay

02-24-2008, 10:23 AM	#19
Mystikal Moderator/Event-Coordinator Join Date: Feb 2002 Location: Stance Posts: 13,107 Car: S54 Z3M & 325iT/5	Go ahead and try the 91, Mark likely advised you that because the mapping isn't aggressive enough to make 91 dangerous. As for the ethanol itself, it's just not as efficient as gasoline. Jay __________________