The engine control module, also known as ECM or ECU (engine control unit), is a crucial component in any modern car’s electronic system.
It is essentially the brain of the vehicle, responsible for monitoring and controlling various engine functions to ensure optimal performance, fuel efficiency, and emissions control. In a high-performance car like the BMW M4, the engine control module plays a critical role in managing the powerful 3.0-liter turbocharged inline-six engine. The ECM constantly monitors inputs from …