BMW 3: Entertainment

 Service information

Electronic emergency gearbox release As with the conventional 8-speed automatic transmission, the GA8P75HZ also has an electrical emergency release option. In conventional vehicles the starter motor rotates for this, and also drives the mechanical transmission oil pump via the torque converter. W

 General information

Electronic control devices are installed in the vehicle. Electronic control units process data they receive from vehicle sensors, self-generate or exchange with each other. Some control units are necessary for the vehicle to function safely or provide assistance during driving, for instance driver