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:
Connecting headphones
You can connect headphones with a jack plug or
operate them using the infrared interface.
To enable optimal use of the infrared interface,
use infrared headphones that comply with the
IEC 61603 ...
Auto Start-Stop, Brake Energy Regeneration, ECO PRO mode
The new BMW 3-Series Sedan is equipped as standard with an Auto Start-Stop
function, which automatically switches off the engine during short stops at
traffic lights or in stationary traffic, so a ...
Fuel quality
Fuels that are marked on the gas pump as containing
metal must not be used.
Refuel only with unleaded
gasoline without
metallic additives.
Do not refuel with any leaded gasoline or gasoline
...