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.
| Index | Explanation |
|---|---|
| 1 | Car Access System (CAS) |
| 2 | Ignition and injection relay |
| 3 | Radiator blind drive |
| 4 | Mechanical radiator shutter drive |
| 5 | Digital engine electronics (DME) |
| 6 | Engine ventilation heating |
| 7 | Junction Box Electronics (JBE) |
| 8 | Front power distribution box |
| 9 | Luggage compartment power distribution box |
| 10 | Relay for electric fan (electric fan 400 Watts or 600 Watts) |
| 11 | Relay for electric fan (electric fan 850 Watts or 1000 Watts) |
| 12 | Power distribution box, battery |
| 13 | Instrument cluster (KOMBI) |
| 14 | Central gateway module (ZGM) |
| 15 | Coolant level switch |
| 16 | Coolant pump |
| 17 | Electric fan |
| 18 | Coolant temperature sensor |
| 19 | Power distribution box, engine compartment |