See also:

USB audio interface/mobile phone audio interface
At a glance It is possible to connect external audio devices. Operation can be performed via iDrive. The sound is output on the vehicle loudspeakers. Connectors for external devices ▷ Conn ...

Automatic deactivation of the front passenger airbags
The system determines whether the front passenger seat is occupied by measuring the resistance of the human body. The front, knee, and side airbag on the front passenger side are activated or d ...

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 ...