See also:

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 ...

Energy recovery
The energy of motion of the vehicle is converted to electrical energy while coasting. The vehicle battery is partially charged and fuel consumption can be lowered. ...

The concept
The system is functional at speeds beginning at approx. 20 mph/30 km/h. It maintains the speed that was set using the control elements on the steering wheel. The system brakes on downhill gradie ...