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      04-20-2024, 11:42 AM   #4
wcs531
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Drives: E90 335xi / E70 X5d
Join Date: Jul 2014
Location: Philadelphia

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4BC2 - Air Flow Meter -Short Circuit

Mass airflow sensor code will cause limp mode I believe, and you should have a check engine light because of it so thats confusing. I got a check engine light from a mass airflow code when the pipe from the Mass airflow sensor to the turbo came loose. Short circuit maybe means it actually died though.

The 3.0d is probably different with a single turbo but the part number im talking about on the twin turbo 35d is 13717808157. The gasket (13717799839) also goes bad , but double check parts for your engine on realoem.
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