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:
Drivetrains
The 528i, 535i and 550i are rated at 240, 300 and 400 horsepower,
respectively. The turbocharged version of the 3.0-liter inline-six-cylinder in
the 535i makes the 550i superfluous, rocketing the ...
The concept
ECO PRO supports a driving style that saves on
fuel consumption. For this purpose, the engine
control and comfort functions, e. g. the climate
control output, are adjusted.
In addition, context ...
Start/Stop button
The concept
Pressing the Start/Stop button
switches the ignition on or off and
starts the engine.
The engine starts if the brake
pedal is pressed when you press
the Start/Stop button. ...
