General driving notes
See also:
Safety
Both the coupe and convertible have front airbags plus side-impact airbags
built into the front seats. As required of all 2012 models sold in the U.S., the
640i has standard antilock brakes and an ...
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 automa ...
Switch off the engine during
longer stops
Switch off the engine during longer stops, e.g.,
at traffic lights, railroad crossings or in traffic
congestion.
Fuel savings are achieved after the vehicle is
switched off for only approx. 4 s ...
