Active Cruise Control with Stop & Go function, ACC
See also:
Switching the split screen on and off
1.
Press the button.
2. "Split screen" ...
Tachometer
Never force the engine speed up into the red warning field, see arrow. In this
range, the fuel supply is interrupted to protect the engine. ...
Owner's Manual for Vehicle
Thank you for choosing a BMW.
The more familiar you are with your vehicle, the better control you
will have on the road. We therefore strongly suggest:
Read this Owner's Manual before starting off ...