The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels.

See also:
Sound output
Switching on/off
When the ignition is switched off: press ON/OFF
button on the radio.
Muting
When the ignition is switched on or the engine
is running: press the ON/OFF button on the
radio. ...
Increasing or decreasing vehicle speed
Specify desired speed in the range from approx.
4 mph/6 km/h to approx. 15 mph/25 km/h using
the rocker switch of the cruise control on the
steering wheel. Vehicle speed can be changed
by lightl ...
Dimensions
Coupe
All dimensions given in inches/mm. Smallest turning circle dia.: 35.1 ft/10.7
m 135i: height 55.4 in/1,408 mm
Convertible
All dimensions given in inches/mm. Smallest turning circle dia.: 35 ...
