Which is the recirculation mode in BMW's AM setting?

1 Answers
Peter
07/29/25 10:26am
In BMW vehicles, M stands for the recirculation mode. Here are the detailed explanations: 1. AM Mode Introduction: The A and M in BMW's air circulation system represent two different modes. A is the automatic mode, which determines whether to use recirculation or fresh air intake based on the outside air quality. M stands for recirculation mode, while the fresh air mode mainly serves ventilation purposes. The difference between recirculation and fresh air modes lies in whether the air intake vent is closed. 2. Usage Recommendations: You can use the recirculation mode when operating the air conditioning in summer. During rush hour traffic congestion, especially in tunnels, it's advisable to use recirculation mode to prevent exhaust fumes or dust from entering the cabin. However, when driving at high speeds with windows closed and only using recirculation mode, it may lead to oxygen deficiency inside the vehicle, potentially causing driver fatigue, lack of concentration, and safety hazards.
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