See also:

The concept
The automatic engine start-stop function helps save fuel. The system switches off the engine during a stop, e. g., in a traffic congestion or at traffic lights. The ignition remains switched on. ...

On-demand control of ancillary units saves energy
Intelligent energy management in the new BMW 3-Series is further enhanced by the ancillary units, which consume significantly less energy compared with conventional systems. Examples include the o ...

Adding engine oil
760i/Li: open/close flap When the flap is closed, it must latch Filler neck When the indicator lights up in the instrument cluster, add 1 US quart/liter of engine oil within the next 125 mi ...