The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels.
See also:
Tire inflation pressure values up to100 mph/160 km/h
X3 28i
X3 35i
...
General information
Lamps and bulbs make an essential contribution
to vehicle safety.
The manufacturer of the vehicle recommends
that you entrust corresponding procedures to
the service center if you are unfamiliar ...
Steering wheel heating
Switching on/off
Switching on/off
Press the button.
▷ On: the LED lights up.
▷ Off: the LED goes out. ...