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

See also:
Tire identification marks
Tire size
255/50 R 19 103 Y
255: nominal width in mm
50: aspect ratio in %
R: radial tire code
19: rim diameter in inches
103: load rating, not for ZR tires
Y: speed rating, before the R on ZR ...
A host of active safety systems reduce the risk of accidents
A selection of electronic assistance systems make an active contribution to
driving safety in the new BMW 3-Series, helping drivers to avoid collisions in
the first place. The functions of the mai ...
Short commands for the voice activation system
For instructions on the voice activation system.
Having the possible spoken commands read aloud: {Voice commands}
The following short commands are for vehicles with the voice activation system.
Th ...
