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

See also:
Roadside Assistance
At a glanceBMW Roadside Assistancecan be contacted if assistance is needed in the
event of a breakdown.
Contact with BMW Roadside Assistancecan also be established using a Check
Control message.
...
Dual-mass flywheel with centrifugal pendulum absorber
In all road speed ranges that are relevant in everyday driving, the engineers
have achieved reductions in engine speed which have noticeable benefits for fuel
consumption. For example when cruisin ...
Reserve
After the reserve range is reached:
▷ A message is briefly displayed on the Control
Display.
▷ The remaining range is shown on the computer.
▷ When a dynamic driving style is us ...
