Mass Air Flow Sensor OEM 13621747155

The 13621747155 is a mass air flow sensor used in BMW cars. It helps the engine control unit (ECU) measure the amount of air entering the engine. This information is crucial for the ECU to mix the right amount of fuel with the air. This process ensures the engine runs smoothly and efficiently. Without a working mass air flow sensor, your car might have poor fuel economy or even stall.

The 13621747155 is compatible with several BMW models, like the 3, 3 Coupe, 5, and 5 Touring. This means it can be reused across these vehicles. Using OEM codes like 13621747155 helps car owners and mechanics find the right parts easily. It ensures that the replacement part will fit and work correctly in the car.