Switching the split screen on and off
1. 
Press the button.
2. "Split screen"
See also:
Switching off automatically
The system switches off and the LED goes out:
After approx. 160 ft/50 m when driving forward.
Above approx. 22 mph/36 km/h when driving
forward.
Switch on the system again if necessary. ...
The concept
This system can be used to select a desired
speed that the vehicle will maintain automatically
on clear roads.
To the extent possible, the system automatically
adjusts the speed to a slower veh ...
BMW TwinPower Turbo technology in the new four-cylinder engine
This new engine is the most powerful in a new generation of four-cylinder
petrol units based on the same reduced-friction core engine, their different
output ratings being achieved principally by ...