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:
Resetting the tone settings
1. "CD/Multimedia", "Radio" or "Settings"
2. "Tone"
3. "Reset" ...
LATCH child restraint fixing
system
LATCH: Lower Anchors and Tether for CHildren.
Note
Manufacturer's information for LATCH
child restraint fixing systems
To mount and use the LATCH child restraint fixing
systems, observe the op ...
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 ...
