Quote:
Originally Posted by dakarwu
Is the full e85 tune still the one where you need to fill 91 every 3 tanks and switch tunes?
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I believe it's recommended to run regular gasoline through the system every now and again but not a requirement. I run e85 75% of the time.
I think issues arise when the e85 is sitting in your tank for an extended amount of time and not being used as it degrades faster.
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10 E90 M3 /// Dinan Intake, X Pipe, Exhaust, Underdrive, 3.62 Diff, Coilovers, Alpine e85 Tune - sold
16 F80 M3 /// MaxPSI 4 Pin, DP, CP, SL Mid-Pipe, TMIC, KW HAS, EU5's, AB Performance Flex Tuned