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:
The concept
This system issues a warning at speeds above
approx. 40 mph/65 km/h if the vehicle is about
to leave the lane on roads with lane markings.
The steering wheel begins vibrating gently. The
time o ...
1990: the third generation - premiere of the BMW 3-Series Coupé and BMW
3-Series Compact, new six-cylinder petrol and turbodiesel engines
1990 saw the introduction of the third-generation 3-Series, the four-door
Sedan taking to the stage on a wave of elegance and new technology. On top of
this, the dimensions of the body and the spa ...
Exterior
Visual updates for 2012 affect the 128i more than the 135i. The 128i carries
revised circular fog lamps, replacing last year's horizontal lamps. Outboard of
the fog lights, vertical slats improve ...
