The BMW 3 F30 F35 F31 2014 Diesel MAF Mass Air Flow Meter Sensor 8506408 AMZ4012 is a genuine part manufactured by BMW specifically for the 3 series vehicles. This sensor plays an essential role in measuring the air flow entering the engine, ensuring optimal performance and efficiency. With reference OE/OEM numbers 0281006092 and 297895862, this mass air flow meter is designed to meet the high-quality standards expected by BMW owners and engineers.