The Bremi Porsche Mass Air Flow Sensor - 30197 is a high-quality, precision engineered sensor designed specifically for use in Porsche vehicles. This sensor measures the amount of air entering the engine, allowing the vehicle's computer to adjust the fuel-to-air ratio for optimal performance and fuel efficiency. It is made with durable materials and advanced technology to ensure accurate readings and reliable operation. This mass air flow sensor is a direct replacement for the original part and is compatible with a wide range of Porsche models.