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      01-31-2021, 04:53 PM   #75
Ccieszyn
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Drives: 2013 E92 M3, 2006 E60 M5
Join Date: Jul 2019
Location: Florida

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Quote:
Originally Posted by smokinjoe64 View Post
Appreciate the insight and explanation.
The measured approach to 'try-b4-buy' more stuff makes good sense.

Assuming the fuel tank will need to be essentially 'empty' for each fuel type since mixing maybe problematic for ECU.

Looks like, need to have the ole laptop handy to flash at the gas station for each new tankful.
That's right. Get your tank as close to empty as possible, fill with E85, flash at the gas station, drive. Same to go back to regular gas.
Appreciate 1