Centralized control of the central locking system
The CAS control unit is the master control unit for the central locking system.
Depending on the control request, the CAS decides whether the central locking should be unlocked, locked or deadlocked.
- E60, E61, E63, E64 up to 09/2005
The central locking system for the front doors is controlled by the door modules (driver's side door module and passenger's side door module). TMFA stands for driver's door module. TMBF stands for front-passenger door module.
The central locking of the rear doors, the tailgate, the rear window (E61 only) and the fuel filler cap is actuated by the body basic module (KBM). The appropriate commands are delivered on the data buses.
- E60, E61, E63, E64 from 09/2005
The central locking of the front doors is controlled by the body gateway module (KGM). The door modules and the byteflight are discontinued.
The central locking of the rear doors, the tailgate, the rear window (E61 only) and the fuel filler cap is actuated by the body basic module (KBM). The appropriate commands are delivered on the data buses.
- E70, E81, E87, E90, E91, E92, E93
The central locking of the doors, the tailgate, the rear window (E91 only) and the fuel filler flap is actuated by the junction box electronics (JBE) and by the footwell module (FRM).