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

See also:
2009 BMW X3 Review
There is very little about the 2009 BMW X3 that hasn't already been covered
by Cars.com; the 2007 model that Kelsey Mays reviewed is essentially the same
vehicle that's offered for 2009. What has ...
Vehicle care
Car care products
BMW recommends using cleaning and care
products from BMW, since these have been
tested and approved.
Car care and cleaning products
Follow the instructions on the container.
W ...
Performance
What sets the 5 Series wagon apart from the A6 and E-Class is the way it
drives. Sure, its looks scream BMW inside and out, but so does the sweetly
smooth acceleration coming from the twin-turbo s ...
