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Functional networking of the central locking system

The following illustration shows the functional networking of the central locking system.

G11149315Courtesy of BMW OF NORTH AMERICA, INC.
Item Explanation
1 Engine compartment lid central locking drive
2 Engine compartment lid contact switch
3 Fuses on the Body Domain Controller
4 Body Domain Controller
5 Power distribution box Life module
6 Central locking drive, door on the front passengers side
7 Front passenger door central locking button
8 Remote control receiver
9 Door contact, rear right, bottom
10 Door contact, rear right, top
11 Luggage compartment light
12 Interference-suppression filter
13 Rear lid button, exterior
14 Tailgate/tailgate lock
15 Door contact, rear left, top
16 Door contact, rear left, bottom
17 Driver's door central locking button
18 Central locking drive, driver's door
19 Bonnet button
20 Tailgate pushbutton, inside