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:
Indicator/warning lamps
The indicator lamp flashes: DSC controls
the drive forces and brake forces.
The indicator lamp lights up: DSC has
failed. ...
Calling up information on the infodisplay
Press the onboard computer button on the turn
signal lever.
Information is displayed on the info display of the
instrument cluster. ...
Arming and disarming the alarm
system
General information
When you lock or unlock the vehicle, either with
the remote control or at the door lock*, the alarm
system is armed or disarmed at the same time.
Door lock and armed alarm sy ...
