Functional description
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.
When the first purge air line is being checked, the second is closed using the shutoff valve.
The amount of fuel vapor drawn in by the combustion engine from the activated carbon canister must be adapted to each operating condition of the engine. The tank vent shutoff valve is activated by the engine control.
| Index | Explanation |
|---|---|
| 1 | two-pin plug connection |
| 2 | Tank vent shutoff valve |
| 3 | Connection to throttle body |
| 4 | Connection to suction jet pump |
| 5 | Connection to activated carbon canister |
| 6 | two-pin plug connection |
| 7 | Tank vent valve |