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:
Unlocking and opening
▷ Either unlock the doors together using the
button for the central locking system and
then pull the door handle above the armrest
or
▷ Pull the door opener twice individually on
...
Instrument lighting
You can adjust the brightness of the instrument lighting only when the parking
lamps or the low beams are switched on.
1. Push button 1in the turn signal/high beam lever up or down repeated ...
Tire inflation pressure values up to
100 mph/160 km/h
528i
528i xDrive
535i
550i
535i xDrive
550i xDrive
...
