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      07-05-2013, 12:32 PM   #55
FogCityM3's Avatar

Drives: M3 (E90) & Shelby GT350R
Join Date: Feb 2012
Location: San Francisco

iTrader: (0)

Your results seem interesting in the context of prior threads, where some users ran E85 mixtures:

Think some of the users were banned for whatever reason (doesnt' seem related to the thread), but those users experiences, the warning in the manual not to use E85 in the M3, tuners recommending to stay away, and volatility and water retention properties of ethanol just down right scare me in terms of long-term damage potential. I'd love to try it out, but using pump racing gas mixture instead, while alot more expensive seems, to be the more conservative to get the additional HP (but no real cooling benefits compared to ethanol).