The engine control module (ECM) in a BMW 3 series is a critical component that is responsible for managing and monitoring all of the engine’s essential functions.
This includes regulating fuel injectors, monitoring engine temperature, controlling ignition timing, and adjusting air-fuel ratios. The ECM collects data from various sensors throughout the engine, such as the oxygen sensor, throttle position sensor, and coolant temperature sensor, in order to make real-time adjustments to ensure optimal performance and fuel efficiency. One of the key features …
