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OBD Codes > BMW > p0102

BMW Information

DATSC provides free error code information for BMW vehicles and is provided free of charge.

Facts
Country & Continent of Origin: Germany (Europe)

Mass or Volume Air Flow Circuit Low Input

PossibleSymptons

You will likely not notice any serious drivability problems, although there may be symptoms such as a general decrease in power or sluggishness.

PossibleCauses

The MAF may be disconnected, or a wiring connection may be bad The MAF may be dirty or otherwise contaminated (Note: if you use a reusable oiled air filter, be careful not to apply too much oil or that can contaminate the MAF). The MAF sensor may be f

PossibleCauses

The simplest thing to do is to reset the code and see if it comes back. Then start with the cheapest, easiest repair procedures: Verify that the Mass Air Flow Sensor wiring is connected properly and that there are no broken / frayed wires. Inspect fo

SpecialNotes

Basically this means that there is a problem with the Mass Air Flow (MAF) sensor or circuit. A more technical description would be that the MAF circuit had lower than expected voltage (air flow).