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:
Interior motion sensor
The windows and glass sunroof must be closed
for the system to function properly. ...
Programmable memory
buttons
General information
The Owner's Manual can be stored on the programmable
memory buttons and called up directly.
Storing
1. Select "Owner's Manual" via the iDrive.
2. Press the desire ...
On-demand control of ancillary units saves energy
Intelligent energy management in the new BMW 3-Series is further enhanced by
the ancillary units, which consume significantly less energy compared with
conventional systems. Examples include the o ...