See also:

Tone
Only treble and bass can be set in the rear. The settings are made separately for the left and right headphones. Operation is the same as for the front tone. ...

Apps
At a glanceCertain software applications of a suitable mobile phone can be integrated into the vehicle. These software applications are displayed on the Control Display. They can be operated via i ...

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 ...