Switching the split screen on and off
1. 
Press the button.
2. "Split screen"
See also:
Tire inflation pressures for X6 xDrive50i
...
Drive Dynamic Control gives the driver the choice of car set-up.
With Drive Dynamic Control, the virtues of sportiness and comfort can take
precedence as the situation demands. Drivers can make their own choice of
suspension settings in NORMAL, SPORT and SPORT+ ...
Active seat
Active adjustment of the seat cushion's contours
reduces muscular tension and fatigue to
help prevent lower back pain.
Press the button. The LED lights
up. ...