See also:

Steering wheel heating
Steering wheel heating Switching on/off Press the button. ▷ On: the LED lights up. ▷ Off: the LED goes out. ...

Switching off automatically
System switches off: above approx. 9 mph/ 15 km/h. Switch on the system again if necessary. ...

Tire inflation pressure values over 100 mph/160 km/h
320i   328i 335i ...