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:
BMW Maintenance System
The maintenance system directs you to required
maintenance measures and thereby supports
you in maintaining road safety and the operational
reliability of the vehicle. ...
Tire Pressure Monitor TPM
The concept
The tire inflation pressure is measured in the
four mounted tires. The system notifies you if
there is a significant loss of pressure in one or
more tires. ...
Note before adjusting
Do not adjust the seat while driving
Never attempt to adjust the driver's seat
while driving.
The seat could respond with unexpected movement
and the ensuing loss of vehicle control
could le ...
