BMW Mass Air Flow Sensor - 13621747155

A failing mass air flow sensor can cause numerous check engine codes. The sensors measure the amount of air entering the engine via the intake. 

Mass Air Flow Sensor Failure Symptoms

• Check engine light illuminated with OBD codes related to MAF sensor faults
• Engine has rough idle and/or stalls
• Short term fuel trim is rich at idle or lean under load
• Constantly runs rich or lean

Replaces BMW PN 13621747155

Fitment: