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      06-15-2020, 08:55 PM   #10
GT500R
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Drives: BMW X3M
Join Date: May 2018
Location: NE

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Quote:
Originally Posted by MrItaly View Post
Factory 21s FTW! Thanks for all the great tips. What if I run E85. I know I should log first but might not have time before the track.
Can’t run full E85 on 93 tune, you will throw a lean code And car won’t run right. If you don’t want to measure E content for exact measurements, put 3 gallons of E85 and rest 93 and that will get you a good mix.
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