See also:

Switching on automatically
Select transmission position R with the engine running. ...

Automatic mode
The automatic engine start/stop function is operational after each engine start. The function is activated above a certain speed. ▷ Manual transmission: above 3 mph, approx. 5 km/h. ▷ ...

Tire inflation pressure values over100 mph/160 km/h
X3 28i X3 35i ...