Selecting the display
1. 
Press the button.
2. "Split screen"
3. Move the controller until the split screen is selected.
4. Press the controller or select "Split screen content".
5. Select the desired menu item.
See also:
Tire inflation pressures X5 xDrive35i/X5 xDrive35d with two
rows of seats
...
Opening/closing the glass sunroof
When the sliding visor is open, proceed as described
under Sliding visor. ...
Interior motion sensor
The windows and glass sunroof must be closed
for the system to function properly. ...