See also:

Brake pedal feel
When the system brakes and you also depress the brake pedal, a somewhat different braking feel results. ...

Malfunction
In the event of a failure or malfunction of the parking brake, secure the vehicle against rolling using a wheel chock, for example, when leaving it. ...

Driving stability control systems
Your BMW has a number of systems that help to maintain the vehicle's stability even in adverse driving conditions. Antilock Brake System ABSABS prevents locking of the wheels during braking. Sa ...