See also:

Central locking system
The concept The central locking system becomes active when the driver's door is closed. The system simultaneously engages and releases the locks on the following: Doors. Trunk lid. Fuel ...

The concept
The iDrive combines the functions of a multitude of switches. Thus, these functions can be operated from a central location. ...

Remove attached partsfollowing use
Remove auxiliary mirrors, roof or rear luggage racks which are no longer required following use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...