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 on-demand coolant pump, the electronically controlled oil pump and the electromechanical steering system, which only consumes electric power when steering assistance is actually required. The special air conditioning compressor featured on many of the sports sedan models works on the same principle. As soon as the driver switches the air conditioning off, the belt drive to the compressor is disconnected by a magnetic clutch, to minimise power drain.
See also:
Daytime running lights
With the ignition switched on, the daytime running
lights light up in position 0, or
.
After the ignition is switched off, the parking
lamps light up in position .
Activating/deactivating
1. ...
Locking and unlocking
Pressing the buttons locks and unlocks the
doors and the trunk lid when the front doors are
closed, but they are not secured against theft.
The fuel filler flap remains unlocked. ...
Interior motion sensor
The windows and glass sunroof must be closed
for the system to function properly. ...
