Hardware Features

The door lock buttons are mechanically uncoupled from the lock actuators when locked. The door lock buttons also "mechanically" lock the individual doors. This provides manual locking in the event of a central locking malfunction.

Fig 1: Identifying Door Lock Buttons
Courtesy of BMW OF NORTH AMERICA, INC.
Child safety locks (located in the rear doors on a four door vehicle) are actuated by sliding a lever. The door can now only be opened from outside.
The luggage compartment can be manually locked with a "Master Key" and leaving the lock cylinder in the horizontal position which prevents opening by any other method (secured for valet).

Fig 2: Identifying Luggage Compartments Lock
Courtesy of BMW OF NORTH AMERICA, INC.
The Fuel Filler Flap mechanical release is found in the right side of the luggage compartment.
The glove box has a lock cylinder to secure the contents by manual locking with a "Master Key" and leaving the lock cylinder in the horizontal position which prevents opening by any other method (secured for valet).

Fig 3: Identifying Glove Box
Courtesy of BMW OF NORTH AMERICA, INC.

The valet key is not mechanically capable of entering either of these lock cylinders.