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

See also:
1 Series M
Rather than the single-turbo setup from the 135i, the 1 Series M gets a
twin-turbo six-cylinder that's good for 335 hp and 332 pounds-feet of torque. In
extreme situations, the 1 Series M can ente ...
Displays in the instrument cluster
1 Display of desired speed
2 Distance to vehicle ahead of you
3 Vehicle symbol
4 Brief status display
Desired speed
Marking in the speedometer
The marking lights up in
green: the syste ...
System limits
Speed range
Best results are achieved when using the system
on well-developed roads and highways.
The desired speed can be selected between
20 mph/30 km/h to 110 mph/180 km/h.
The system can a ...
