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:
Deactivating/activating DTC Dynamic Traction Control
Activating the Dynamic Traction Control DTC
provides maximum traction on loose ground.
Driving stability is limited during acceleration
and when driving in bends.
Activating DTC
Press the ...
For your own safety
Maintenance and repairs
Advanced technology, e.g., the use of modern
materials and high-performance electronics, requires suitable maintenance and
repair methods.
Therefore, have this work perf ...
Camera monitoring: Lane Departure Warning System and Collision Warning
The Lane Departure Warning System available for the new BMW 3-Series Sedan is
activated at speeds above 70 km/h (43 mph) and warns the driver if he
unintentionally strays out of his lane. The syst ...
