The reason for the hot air in the outlet of BMW 5 Series: the air conditioning pipeline is long, which is greatly affected by the heat generated by the longitudinal engine, and the air in the pipeline is heated! Solution: try to park in the shade in summer; Turn on the air conditioner for a few minutes after turning it on!
Specific reasons for hot air at the outlet of BMW 5 Series:
1, it is possible that the external circulation mode is still on, allowing the air outside the car to convection into the car. At this time, the car will not feel windy when it is at rest. However, when driving, due to the oncoming wind, the air outside the car will blow in through the air conditioning outlet, and this oncoming wind will pass through the engine compartment and bring the heat of the engine cooling system and exhaust system into the car from the air conditioning distribution box.
Because there will be air pressure, it will blow in from the air conditioner outlet. In fact, this is because of hot air conduction. There is a warm air tank in the middle of our dashboard, which is separated from the air duct by a layer of wood, and will also heat the air in the air conditioning distribution box. Due to heat conduction, hot air will convection out of the air outlet, so you will feel the hot air coming out.
2. The long air conditioning pipeline is greatly influenced by the heat generated by the longitudinal engine, and the air in the pipeline is heated! Solution: try to park in the shade in summer; Turn on the air conditioner for a few minutes after turning it on! Therefore, it is normal that there is still hot air in the air outlet after the air conditioner is turned off, not a fault.
(Photo/Text/Photo: Ask and Answer the Beast) Mercedes-Benz S-Class Questioning Li Yi Buick GL8 P5 Xpeng Motors P7 @ 20 19