See also:

Fuel quality
Refuel with unleaded fuel only Do not use leaded fuel as this would permanently damage the catalytic converter. Do not refuel with ethanol Do not refuel with E85, i.e., fuel with an ethanol c ...

Hiding Check Control messages
Press the computer button on the turn signal lever. ► Some Check Control messages are displayed continuously and are not cleared until the malfunction is eliminated. If several malfunct ...

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 ...