Tachometer
Always avoid engine speeds in the red warning field. In this range, the fuel supply is interrupted to protect the engine.
See also:
Vehicle care
Car care products
BMW recommends using cleaning and care
products from BMW, since these have been
tested and approved.
Car care and cleaning products
Follow the instructions on the container.
...
Deactivating HDC
Press the button again and the
LED goes
out. HDC is automatically deactivated
above approx. 37 mph/60 km/h. ...
Adjusting the volume
Turn the knob until the desired volume is selected.
The setting is stored for the remote control
currently in use. ...