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      05-01-2019, 05:57 PM   #13
Silent9n54
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Drives: 2007 E92 335i
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Quote:
Originally Posted by upshift_downshift View Post
Do you think that's pump variation or ethanol percent variation? US Dept of Energy says "E85" can actually be 51-83% ethanol. If you mix "E85" to be "E50", it would be only 30% ethanol if the fuel was actually 51% ethanol.
its probably both the e85 and the lpfp that make the difference

i use E85MIX app for android

e40 is usually close to a 50 /50 mix... try putting 3L more of pump gas than E85 and see how the pump takes it

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