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      12-23-2020, 12:36 PM   #9
dk79
First Lieutenant
United_States
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Drives: 2018 F90 M5 Marina bay blue
Join Date: Feb 2013
Location: Gilbert, AZ

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Quote:
Originally Posted by kingmonkeyjr View Post
Very interesting. I'd flash stock and reflash the tune on. My base 2019 ran a 11.13 with 91 octane ... JB4 Map 3 I am well deep into the 10's with some E30. Some F90 don't respond well to tunes or piggybacks for some reason.

What fuel are you running ?

King
91 octane plus 8 oz of boostane professional= 97 octane
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