How to use the A and M modes of BMW X1's internal and external air circulation?

1 Answers
Holden
07/30/25 5:26am
BMW's internal circulation A and M refer to two modes of in-car air circulation. BMW's internal circulation A automatically determines whether to use internal or external circulation mode based on the air quality outside the vehicle, while M stands for a fixed internal circulation mode. When the internal circulation light is off, it indicates the external circulation mode. If the air inside the car becomes stale, you can activate the external circulation function, as it serves the purpose of ventilation. Relevant information about car air conditioning is as follows: 1. Introduction: The car air conditioning device, referred to as car air conditioning. 2. Function: It is used to adjust and control the temperature, humidity, air cleanliness, and air flow inside the car compartment to the optimal state, providing a comfortable riding environment for passengers and reducing travel fatigue; it also creates good working conditions for the driver, playing an important role in ensuring safe driving as a ventilation device.
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