Active seat
Active adjustment of the seat cushion's contours reduces muscular tension and fatigue to help prevent lower back pain.

Press the button. The LED
lights up.
See also:
Coolant level
Checking
1. Let the engine cool.
2. Turn the cap of the expansion tank slightly
counterclockwise to allow any excess pressure
to dissipate, and then open it.
3. The coolant level is correct if ...
Initialization
The initialization process adopts the set inflation
tire pressures as reference values for the detection
of a flat tire. Initialization is started by confirming
the inflation pressures.
Do not ...
Active Protection - preventative occupant protection
The Active Protection safety package is making its debut in the new BMW
3-Series Sedan under the banner of BMW ConnectedDrive. This assistance system is
activated shortly after the driver pulls aw ...
