See also:

Emissions
▷ The warning lamp lights up: Emissions are deteriorating. Have the vehicle checked as soon as possible. ▷ The warning lamp flashes under certain circumstances: This indicates that ...

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 ...

Remove attached parts following use
Remove auxiliary mirrors, roof or rear luggage racks which are no longer required following use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...