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      02-24-2016, 10:19 AM   #19
Myaddiction
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Drives: X6M
Join Date: Nov 2011
Location: San Diego CA

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2015 BMW M4  [0.00]
Quote:
Originally Posted by Travis1807 View Post
What kind of AFR are you getting with your current mix of E85 and pump 91 oct
The same as stock afr which is high 13's at low rpm dropping to low 12's in the mid range and staying there to redline.

The ECU always operates in closed loop so it will always hit its targets if it is physically capable.
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