Sound output
Switching on/off
When the ignition is switched off: press ON/OFF button on the radio.
Muting
When the ignition is switched on or the engine is running: press the ON/OFF button on the radio.
See also:
Tire Pressure Monitor TPM
The concept
The tire inflation pressure is measured in the
four mounted tires. The system notifies you if there is a significant loss of
pressure in one or
more tires.
Functional requirements
...
Reporting safety defects
For US customers
The following only applies to vehicles owned
and operated in the US.
If you believe that your vehicle has a defect
which could cause a crash or could cause injury
or death, you ...
BMW Maintenance System
The maintenance system directs you to required
maintenance measures and thereby supports
you in maintaining road safety and the operational
reliability of the vehicle. ...