13 BMW x3 warm air is adjusted to 28 degrees before hot air comes out.

Insufficient coolant. 13 years, BMW x3 was not released until the warm air was adjusted to 28 degrees because of the lack of coolant. BMW is a German automobile brand. 13 BMW x3 was highly equipped, and the hot air of this car was not released until the warm air was adjusted to 28 degrees. It is recommended to add coolant. The most common fault phenomenon is that warm air does not affect the normal operation of the vehicle.