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

See also:
2012 BMW 3 Series: Up Close
Of all BMW's cars, the 3 Series is the one that somehow escaped being hit by
the Chris Bangle ugly stick, so I didn't go to the redesigned compact sedan's
North American debut looking for sweet re ...
New remote controls
You can obtain new remote controls from your
service center. ...
BMW Info
General information
Messages from BMW regarding service actions
and news from BMW.
Selecting additional functions
The following functions are available when a
message is selected:
...
