Multi-channel playback,surround

Choose between stereo and multi-channel playback, surround.

Setting multi-channel playback, surround

1. "CD/Multimedia", "Radio" or "Settings"
2. "Tone"
3. "Surround"

When surround is activated, multi-channel playback

When surround is activated, multi-channel playback is simulated when a stereo audio track is played.

    See also:

    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 ...

    Checking the pressure
    Only check the tire inflation pressure when the tires are cold. This means after driving no more than 1.25 miles/2 km or when the vehicle has been parked for at least 2 hours. When the tires are w ...

    Comfort seat
    The distance from the back of the seat occupant's head can be adjusted using the shoulder support. Adjusting side extensions   Adjusting side extensions You can fold the side extensions ...