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:
Software Update
The vehicle supports various external devices
depending on the current software version. With
a software update, the vehicle can support new
cell phones or new external device, for example.
...
Headlamp range control
With halogen headlamps, the headlamp range of
the low beams can be manually adjusted for the
vehicle load to avoid blinding oncoming traffic.
The values following the slash apply to trailer
ope ...
Exterior
With standard visual cues that come only with the 128i's optional M Sport
Package, the 135i has an aggressive front bumper with three large air inlets.
Xenon headlights are standard, and they carr ...