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

See also:
An extensive range of standard and optional BMW ConnectedDrive functions.
BMW ConnectedDrive comprises all offers and technologies which connect our
vehicles, drivers and passengers, and the outside world. ConnectedDrive is
comprised of three main pillars: Convenience, ...
Vehicle equipment
All standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equipment
is also described that is not available in a vehicle, ...
Onboard vehicle tool kit
The onboard vehicle tool kit is located under the
first aid kit behind the left folding cover in the
cargo area. ...
