Switching the microphone to mute
When a call is active, the microphone can be muted.
1. "Telephone".
2. "Active calls".
3. 
"Microphone mute"
A microphone that has been switched to mute is automatically reactivated:
▷ When a new connection is established.
▷ When switching between call parties.
See also:
Have maintenance carried out
Have vehicles maintained regularly to achieve
optimal vehicle economy and operating life.
Have the maintenance carried out by your service
center.
Please also note the BMW Maintenance System,
...
Switching on/off
Press the button.
▷ On: the LED lights up.
▷ Off: the LED goes out.
The state is stored for the remote control currently
in use. ...
New wheels and tires
Have new wheels and tires installed only by
your BMW center or tire shop that works according to BMW repair procedures with
correspondingly trained personnel. If this work is not carried out prop ...