System overview
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
The following graphic shows the central locking system network.
The current wiring diagrams for the individual model series can be found in the ISTA diagnosis system (Integrated Service Technical Application).
| Index | Explanation |
|---|---|
| 1 | Tailgate pushbutton, passenger compartment |
| 2 | Instrument panel |
| 3 | Central locking button (component part of hazard warning switch and central locking button operating facility) |
| 4 | Hotel position switch |
| 5 | Front power distribution box |
| 6 | Front Electronic Module (FEM) |
| 7 | System lock, front passenger door, with central locking drive |
| 8 | System lock, passenger side rear, with central locking drive |
| 9 | Rear Electronic Module (REM) |
| 10 | Rear power distribution box |
| 11 | Central locking system actuator, fuel filler flap |
| 12 | Bumper aerials (for Comfort Access) |
| 13 | Tailgate lock with central locking drive, only if tailgate lock is installed on body side (e.g. F31) |
| 14 | Outer tailgate pushbutton |
| 15 | Luggage compartment light 2 (depending on vehicle equipment either with bulb or LED) |
| 16 | Interference-suppression filter |
| 17 | Rear window button (e.g. F31) |
| 18 | Tailgate lock with central locking drive, only if tailgate lock is installed in tailgate (e.g. F20, F30) |
| 19 | Luggage compartment light, tailgate (with LED, depending on vehicle equipment) |
| 20 | Luggage compartment light, tailgate (with bulb, depending on vehicle equipment) |
| 21 | Rear window locking (e.g. F31) |
| 22 | System lock, driver's side rear, with central locking drive |
| 23 | System lock, driver's door, with central locking drive |
| 24 | central locking drive storage compartment center console |
| 25 | Remote control receiver |
| 26 | Luggage compartment aerial (for Comfort Access) |
| 27 | Luggage compartment light (depending on vehicle equipment either with bulb or LED) |
| 28 | Luggage compartment light, tailgate 2 (with LED, depending on vehicle equipment) |
| 29 | Interference suppression filter 2 (installation depending on national-market version) |