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.
See also:
Gear shift indicator
The concept
The system recommends the most fuel efficient
gear in the current driving situation.
Displays
Indicators to shift up or down are displayed in
the instrument cluster.
...
Notes
BMW CD/DVD players and changers are officially
designated Class 1 laser products. Do not operate if the cover is damaged; otherwise,
severe eye damage can result.
Do not use self-recorded CDs/DV ...
Instrument cluster
1 Fuel gauge
2 Speedometer
3 Indicator/warning lamps
4 Tachometer
5 Engine oil temperature
6 External temperature
7 Electronic displays
8 Miles, trip miles
9 Clock
10 Reset miles ...
