Air flow sensor suitable for models BMW 1, 3, 7, and X1. Essential for accurately measuring the amount of air entering the engine, ensuring optimal performance and fuel economy. Constructed with high-quality materials for long-term reliability and precision. Part numbers: 13628509724A-PBOS, 0281006146, A-PMAG AMMQ19808, BOS0281006146, DELAF10396-12B1, EPS1.991.126, HUC135116, KAM18053, MMAAMMQ19808, NGK91534, NTYEPP-BM-012.