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 | Oxygen sensor before catalytic converter |
| 2 | Oxygen sensor after catalytic converter |
| 3 | Blow-off valve |
| 4 | Digital engine electronics |
| 5 | Pressure converter for wastegate valve |
| 6 | Engine ventilation heating |
| 7 | Electric changeover valve for exhaust flap (model-specific) |
| 8 | Luggage compartment power distribution box |