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:
Adjusting the volume
Turn the volume button while giving an instruction
until the desired volume is set.
▷ The volume remains constant even if the
volume of other audio sources is changed.
▷ The volume i ...
Malfunction
A Check Control message is displayed.
The parking assistant failed. Have the system
checked. ...
State-of-the-art diesel engines: high-torque, smooth-running and efficient
The sports sedan's BMW TwinPower Turbo diesel engines likewise incorporate
the very latest in BMW engine technology. Latest-generation common rail direct
injection, turbocharging and all-aluminium ...