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:
What to do if...
▷ The current transmission position cannot be
displayed?
The vehicle is located in an unrecognized
region, is in a poor reception area, or the
system is currently determining the position ...
Wheels and tyres
The new BMW 3-Series Sedans are factory-fitted with attractively styled,
high-quality alloy wheels. The BMW 335i and BMW 328i run on 17-inch Star-spoke
wheels carrying 225/50 R17 tyres. The BMW 32 ...
Tire inflation pressures at max. speeds
above 100 mph/160 km/h
Speeds above 100 mph/160 km/h
In order to drive at maximum speeds in excess
of 100 mph/160 km/h, please observe, and,
if necessary, adjust tire pressures for speeds
exceeding 100 mph/160 km/h ...