How to Use BMW's Air Recirculation AM?
1 Answers
The external air circulation primarily serves a ventilation function, during which the internal circulation light remains off. Drivers should try to activate the external circulation mode when driving on highways or during long-distance journeys. In situations where the external air is polluted, such as when driving through underground parking lots or sandy areas, it is necessary to turn on the internal circulation, during which the internal circulation light will be on.