See also:

Adjusting the volume
Turn the volume button while giving an instruction until the desired volume is set. ► The volume remains constant even if the volume of other audio sources is changed. ► The volume i ...

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 ...

The concept
Mobile phones or other external devices such as audio players can be connected to the vehicle via Bluetooth. After these devices are paired once, they are recognized automatically when the igni ...