Air flow sensor for BMW 1, 2, 3, 4, 5, 6, 7, 8, X1, X3, X4, X5, and MINI Cooper D. This air flow sensor ensures accurate measurement of the amount of air entering the engine, optimizing combustion and performance. It is critical for the proper operation of the engine management system, thereby helping to reduce emissions and improve fuel consumption. Suitable for various BMW and MINI models.