Quote:
Originally Posted by PerfM5
I'm by no means an expert here but I would say you are running extremely lean. Most of my datalogs under load show AFR in the 12's. max I hit is around 15. Your is reaching 19.11. 17 is considered to be catastrophic/dangerously high.
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Thank you for your input, in fact I am a bit richer. 19.11 is normal for BMW if you are not under WOT or between shift or not pressing the paddle.
Right now I am suspecting either the boost solenoid or the vacuum line from the turbo to the boost solenoid.