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

See also:
World firsts
The BMW 7-Series' drivetrain superiority is reinforced with a plethora of
automotive firsts. All BMW 7-Series can now be specified with the world's first
Head-up Display incorporating a speed limi ...
Tire condition
Inspect your tires frequently for tread wear, signs of damage and for foreign
objects lodged in the tread. Check the tread depth.
Minimum tread depthThe tread depth should not drop below 0.12 in/3 ...
Roadside Assistance
At a glance
BMW Roadside Assistance can be contacted if
assistance is needed in the event of a breakdown.
Roadside Assistance can also be contacted via
a Check Control message
Start Roadside As ...
