See also:

Tire inflation pressure values up to100 mph/160 km/h
X3 28i X3 35i ...

Connecting electrical devices
Note Do not plug the charger into the socket Do not connect battery chargers to the factory-installed sockets in the vehicle. Doing so may result in damage to the vehicle.◄ Sockets Socket ...

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 ...