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 ...

HDC Hill Descent Control
The concept HDC is a downhill driving assistant that automatically controls vehicle speed on steep downhill gradients. Without applying the brakes, the vehicle moves at slightly more than walking ...

Light-emitting diodes LED
Light-emitting diodes installed behind translucent lenses serve as the light source for many of the controls, displays and other equipment in your vehicle. These light-emitting diodes, which op ...