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ZHP to B58 · 07-11-2023, 12:44 PM

I stick with Chevron's 91 only and ran the same tunes.

Started adding 2 gallons of E85 then the rest 91 octane and with no other changes, it runs much smoother and pulls harder vs. just 100% filled with Chevron 91.

07-11-2023, 12:44 PM	#10
ZHP to B58 Private First Class 73 Rep 140 Posts Drives: M240i Join Date: Aug 2018 Location: LA iTrader: (1)	I stick with Chevron's 91 only and ran the same tunes. Started adding 2 gallons of E85 then the rest 91 octane and with no other changes, it runs much smoother and pulls harder vs. just 100% filled with Chevron 91.
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