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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Error 29E1 after Tune



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      05-25-2023, 05:45 AM   #1
Hotter
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Error 29E1 after Tune

Hi, after some driving with StageFP tune I am getting error "29E1 - DME: mixture control 2", it does not cause CEL, but do I need to do something about it or its normal?
Is it caused by tune or engine issue?
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      05-25-2023, 01:38 PM   #2
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Valve cover gasket or CCV most likely.
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