Lumbar support
The curvature of the seat backrest can be adjusted in such a way that it supports the lumbar region of the spine. The lower back and the spine are supported for upright posture.

▷ Press the front/rear section of the switch.
The curvature is increased/ decreased.
▷ Press the upper/lower section of the switch.
The curvature is shifted up/ down.
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. ...
Seats
Note before adjusting Never attempt to adjust your seat while the
vehicle is moving. The seat could respond with unexpected movement, and the ensuing
loss of vehicle control could lead to an accid ...
External devices
At a glance
...
