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:
Switching the system on/off
Switching off
At the lowest fan speed, press
the left
side of the button on the driver's side.
Switching on
Press any button. ...
Switching on/off
Press the button.
▷ On: the LED lights up.
▷ Off: the LED goes out.
The system can issue warnings at speeds above
approx. 40 mph/65 km/h.
The state is stored for the remote contro ...
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The new-generation BMW 3-Series Sedan features the BMW TwinPower Turbo
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