See also:

Interior
The 135i's interior design is fairly traditional, with more upright shapes than sweeping contours. Dual-zone climate controls sit below the center air vents and optional navigation system, with BM ...

Comfort seat
The distance from the back of the seat occupant's head can be adjusted using the shoulder support. Adjusting side extensions   Adjusting side extensions You can fold the side extensions ...

Tone control
You can alter various tone settings, e.g. treble and bass or the speed-dependent volume increase. The tone settings are applied to all audio sources. The settings are stored for the remote control ...