Thread: All COBB Tuning AccessPORT for 135i Discussion Here
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      07-09-2019, 02:07 AM   #2051
thetyrant
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Drives: 2011 F25 X3 30d
Join Date: Jul 2010
Location: Cumbria UK

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Tune car back to stock see if errors still happen as first easy step.

What tune level are you running and is it a Cobb stage or custom tune ?
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