Voltage Supply and Bus Systems

Voltage Supply and Bus Systems
The (E83) X3 SAV electrical system is on the E46 (3 series) electrical system and (E85) Z4 system components. The systems have been adapted to the vehicle and their functions improved and extended.
The bus systems Kbus, PTCAN, LIN bus and the diagnosis bus are used. The instrument cluster is the central gateway module. The luggage compartment houses the vehicle battery and the luggage compartment fuse holder. The luggage compartment fuse holder supplies the glove-box fuse holder.





Voltage Supply Schematic