2Addicts | BMW 2-Series forum - View Single Post - Will my car be ok if i fill up E85 from the pump if it's testing a less than 85?

ctt300 · 07-22-2021, 11:28 AM

Just use an E85 mix calculator and change the Ethanol percent to whatever percentage that station tested to.

Google E85 calc

Also tunes adjust timing if sense knock, so drive easy for 5 miles or so and then you can go full throttle for it to learn octane/knock threshold.

07-22-2021, 11:28 AM	#2
ctt300 Private First Class 47 Rep 142 Posts Drives: F30 335i Join Date: Feb 2019 Location: Sunny Florida iTrader: (0)	Just use an E85 mix calculator and change the Ethanol percent to whatever percentage that station tested to. Google E85 calc Also tunes adjust timing if sense knock, so drive easy for 5 miles or so and then you can go full throttle for it to learn octane/knock threshold. Last edited by ctt300; 07-22-2021 at 11:34 AM..
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