See also:

Tachometer
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. ...

BMW Info
General information Messages from BMW regarding service actions and news from BMW. Selecting additional functions The following functions are available when a message is selected: ...

Issuing a warning
If the vehicle begins leaving the lane and a lane marking has been detected, the steering wheel begins vibrating. If the turn signal is set before the lane is changed, a warning is not issued. ...