Switching the split screen on and off
1. 
Press the button.
2. "Split screen"
See also:
Under the Hood
The 135i's turbocharged inline-six makes 300 horsepower and 300 pounds-feet
of torque. It works through a six-speed manual or BMW's seven-speed dual-clutch
automatic. Either car hits 60 mph in abo ...
BMW Assist or ConnectedDrive
...
Camera
Camera
The camera is located near the base of the mirror.
Keep windshield clean and clear in the area in
front of the interior rear view mirror. ...