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      11-16-2012, 12:19 AM   #15
Drives: BMW
Join Date: Nov 2008
Location: hometown

Posts: 2,553
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So replacing your LPFP solved the fuel trim divergence in your first logs......interesting.

Then you had the DME flashed and trims were spot-on and stable.

Subsequently you installed the flex sensor and loaded new maps and firmware and started maxing trims again.

Sounds like the new maps/firmware are triggering the issue.

Educate me here......I really had the impression that E85 maps run much leaner A/F ratios than 11:1.
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