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:
Contacts
Vehicle equipment
All standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equipment
is also described that is not avai ...
For 520i and 528i: Check oil
level
The concept
The oil level is monitored electronically during
driving and shown on the Control Display.
If the oil level reaches the minimum level, a
check control message is displayed.
Displayi ...
Climate control functions in detail
Temperature
Turn the wheel to set the desired
temperature.
The automatic climate control reaches this temperature
as quickly as possible, if necessary by
increasing the cooling or heating ou ...
