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      11-20-2012, 12:26 PM   #9
Mike@N54Tuning.com
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Drives: 2007 335i, 2015 M3
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Open loop settings govern fuel trims and fuel pressure but won't do much with regard to ignition advance. I think you've got a red herring here. You noticed your meth flow was different between those two logs right? More meth flow would certainly improve advance and lower fuel trims.

Mike