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:
Tire inflation pressure values over
100 mph/160 km/h
528i
Without high-speed tuning feature
550i
Without high-speed tuning feature
With high-speed tuning feature
528i xDrive
Without high-speed tuning feature
With high-speed tuning ...
Control Display
Notes
▷ To clean the Control Display, follow the care
instructions.
▷ Do not place objects close to the Control
Display; otherwise, the Control Display can
be damaged.
Switching o ...
Engine oil temperature
▷ Cold engine: the pointer is at
the low temperature end.
Drive at moderate engine and
vehicle speeds.
▷ Normal operating temperature:
the pointer is in the middle
or in the lef ...