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JETmn JETmn is offline
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Posts: 552
Join Date: Nov 2013
Car: 2011 335xi
Default 02-24-2015, 07:29 AM

Originally Posted by Stoolz
Page one of this thread Terry mentions the hpfp could handle up to 60% Ethanol.
I wont wind the boost up it will be map 5 preset.
Maybe that was with an upgraded LPFP? Several of us have found we can't go nearly that high. I am on a stock fuel system and E40 is my borderline. I run E35 to be safe. I tried E45 and had fueling issues.
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