The concept

The following can be operated using the buttons

The following can be operated using the buttons and the thumbwheel on the steering wheel:

  • Current audio source.
  • Redial on telephone*.
  • Activation of the voice activation system*.
    See also:

    Treble, bass, balance, and fader
    ▷ "Treble": treble adjustment. ▷ "Bass": depth adjustment. ▷ "Balance": left/right volume distribution. ▷ "Fader": front/rear volume ...

    Stowing cargo
    ► Very heavy cargo: when the rear seat is not occupied, secure each of the outer safety belts in the opposite buckle. ► Cover sharp edges and corners. ► Do not stack cargo abov ...

    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 ...