The engine control module (ECM) in a BMW 3 Series is a critically important component that plays a vital role in the overall performance and efficiency of the vehicle.
As the brain of the car’s engine, the ECM is responsible for monitoring and controlling various engine functions to ensure optimal performance and fuel efficiency. One of the key functions of the ECM is to regulate the air-fuel mixture in the engine by adjusting the fuel injection and ignition timing. By carefully monitoring various sensor …