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:
New dimensions in driving pleasure and dynamic performance: Sporty power
delivery, outstanding efficiency and enhanced ride comfort
The sixth-generation BMW 3-Series sports sedan models offer top-level agility
and driving dynamics, and they combine all this with new levels of comfort. At
the same time, there is no change to th ...
Tire identification marks
Tire size
255/50 R 19 103 Y
255: nominal width in mm
50: aspect ratio in %
R: radial tire code
19: rim diameter in inches
103: load rating, not for ZR tires
Y: speed rating, before the R on ZR ...
Navigation bar overview
With navigation system: the functions of the
navigation bar symbols can also be stored on the
programmable memory buttons.
They are stored. ...
