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:
Damage to safety belts
In the case of strain caused by accidents or
damage:
Have the safety belts, including the safety belt
tensioners, replaced and have the belt anchors
checked.
Checking and replacing safety
b ...
Seats with safety belt
The vehicle has five seats, each of which is
equipped with a safety belt. ...
Exterior
With standard visual cues that come only with the 128i's optional M Sport
Package, the 135i has an aggressive front bumper with three large air inlets.
Xenon headlights are standard, and they carr ...
