See also:

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

Tire inflation pressure values up to 100 mph/160 km/h
740i, 740Li, 750i, 750Li 760Li 750i xDrive, 750Li xDrive ...

Switching on automatically
With the engine running or the ignition switched on, shift the selector lever into position R. ...