See also:

Important parts of the engine compartment
1.  Expansion tank for coolant, 2.  Washer fluid filler neck for headlamp cleaning system and window washer system, 3.  Jump-starting connection, 4.  Fluid filler neck for e ...

Cooling function
The passenger compartment can only be cooled with the engine running. Press the button. The air is cooled and dehumidified and – depending on the temperature setting – warmed again. The cool ...

The concept
BMW Advanced Diesel reduces nitrogen oxides in the diesel exhaust of your vehicle by injecting the reducing agent diesel exhaust fluid into the exhaust line. In the catalytic converter, a chemic ...