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 seconds.
See also:
Sockets
The lighter socket can be used as a socket for
electrical equipment while the engine is running
or when the ignition is switched on. The total
load of all sockets must not exceed 140 watts at
...
Messages after trip completion
Special messages that are displayed during
driving are displayed again after the ignition is
switched off. ...
Owner's Manual for Vehicle
Thank you for choosing a BMW.
The more familiar you are with your vehicle, the better control you
will have on the road. We therefore strongly suggest:
Read this Owner's Manual before starting off ...