See also:

Air volume, manual
To be able to manually adjust the air volume, switch off the AUTO program first. Press the left or right side of the button: decrease or increase air volume. The selected air volume is shown o ...

Notes
Reception may not be available in some situations, such as under certain environmental or topographic conditions. The satellite radio has no influence on this. The signal may not be avai ...

Exterior
With standard visual cues that come only with the 128i's optional M Sport Package, the 135i has an aggressive front bumper with three large air inlets. Xenon headlights are standard, and they carr ...