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:
Under the Hood
The 135i's turbocharged inline-six makes 300 horsepower and 300 pounds-feet
of torque. It works through a six-speed manual or BMW's seven-speed dual-clutch
automatic. Either car hits 60 mph in abo ...
Software Update
The vehicle supports various external devices
depending on the current software version. With
a software update, the vehicle can support new
cell phones* or new external devices*.
The updating ...
Weights
...
