Tone

Only treble and bass can be set in the rear for headphones. The settings are made separately for the left and right headphones.

Operation is the same as for the front tone.

    See also:

    Vehicle equipment
    All standard, country-specific and optional equipment that is offered in the model series is described in this chapter. Therefore, equipment is also described that is not available in a vehicle, ...

    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 ...

    Units of measure
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