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:
Tilt alarm sensor
The tilt of the vehicle is monitored.
The alarm system responds in situations such
as attempts to steal a wheel or when the car is
towed. ...
2010 BMW X5 M Review
On paper, the BMW X5 M seems about as incongruous as a car can be. It's a
five-seat midsize crossover powered by a 555-horsepower, twin-turbocharged V-8
engine that can accelerate from zero to 60 ...
Weights
...
