See also:

Tire inflation pressure values up to100 mph/160 km/h
X3 28i X3 35i ...

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...

Manual transmission
Starting the engine 1. Depress the brake pedal. 2. Press on the clutch and shift to neutral. 3. Press the Start/Stop button. The ignition is activated automatically for a certain time and is sto ...