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rleroy4298 rleroy4298 is offline
Junior Member
Posts: 102
Join Date: Feb 2013
Car: 335i
Default 03-25-2017, 07:41 AM

Originally Posted by seroga1986
Just like the title says. Trims and AFRs oscillate while highway driving with a steady pedal. Only happens once in a while as you can see in the logs. Have not changed any settings for a long time. Just started happening recently. Logs posted. Any help appreciated.
Had very similar symptoms on my car. Long story short, after countless diagnostics, it ended up being one rear O2 sensor that had no corresponding fault codes. Good luck!
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