The DME, or Digital Motor Electronics, may be the unit that controls all areas of your car or truck’s electrical operations. Normally referred to as an ECU in other cars, the DME (in BMW’s parlance) gets electrical indicators in the engine and other factors to regulate the vehicle’s performance appropriately. https://bmw-ecu-part-number42962.dailyhitblog.com/35388082/5-simple-statements-about-gm-ecu-reprogramming-explained