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:
Overview
The BMW 3-Series Sedan is the original in the compact sports sedan segment
and over the years has come to symbolise the aesthetic appeal, dynamics and
sporting capability of BMW. With its dynamic ...
Malfunctions
Steering wheel vibration
Frequent activation of the steering wheel vibration
causes the system to overheat.
This causes Active Blind Spot Detection to become
deactivated.
Let the system cool an ...
Displaying messages
1. "Office".
2. "Messages"
A symbol identifies the type of message.
...
