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 system overview shows an example of the functional networking of the automatic engine start-stop function for vehicles with manual transmission and junction box electronics (JBE).
| Item | Explanation |
|---|---|
| 1 | Electronic Power Steering (EPS) |
| 2 | Dynamic stability control (DSC) |
| 3 | Engine compartment lid contact switch |
| 4 | Brake vacuum sensor |
| 5 | Digital engine electronics |
| 6 | Starter motor |
| 7 | Zero-gear sensor |
| 8 | Junction Box Electronics (JBE) |
| 9 | Fuse carrier, rear |
| 10 | DC/DC converter |
| 11 | Intelligent battery sensor |
| 12 | Battery |
| 13 | Power distribution box, battery |
| 14 | Seat belt buckle switch, driver's side |
| 15 | Instrument panel (KOMBI) |
| 16 | Clutch module |
| 17 | Integrated chassis management (ICM) |
| 18 | Steering column switch center (SZL) |
| 19 | Crash Safety Module (ACSM) |
| 20 | Automatic engine start-stop function button |
| 21 | Car access system (CAS) |
| 22 | Footwell module (FRM) |
| 23 | Door lock, driver's side |
| 24 | Central gateway module (ZGM) |