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-   -   Hot air from AC when car is stopped (http://www.bimmerfest.com/forums/showthread.php?t=458580)

DJ_GMONEY 05-26-2010 07:01 PM

Hot air from AC when car is stopped
 
When I have my AC running and I come to a full stop, nothing but hot airs comes out of the vents. When i resume driving, cold air comes out again. I thought i had read some where that this was a feature for the winter that takes the hot air from the engine and blast it onto the windshield. How do i change this setting? '98 740il

M.Wong 05-26-2010 09:43 PM

You probably have a bad aux fan or resistor. The fan between the radiator and the front kidneys.

http://www.laczik.org/BMW/repair/E38...ux_fan_5_s.jpg

CodyItaliano 05-26-2010 11:23 PM

i was going to say the same thing. check to make sure that the condensor fan is running when the ac compressor is running. otherwise, there is nothing there to cool the condensor while the car is at a stop. i'd bet thats it though.

tonytone4143 08-03-2010 04:09 PM

Quote:

Originally Posted by M.Wong (Post 5214414)
You probably have a bad aux fan or resistor. The fan between the radiator and the front kidneys.

http://www.laczik.org/BMW/repair/E38...ux_fan_5_s.jpg

+1 on that

dannyc9997 08-03-2010 06:30 PM

Quote:

Originally Posted by DJ_GMONEY (Post 5213955)
When I have my AC running and I come to a full stop, nothing but hot airs comes out of the vents. When i resume driving, cold air comes out again. I thought i had read some where that this was a feature for the winter that takes the hot air from the engine and blast it onto the windshield. How do i change this setting? '98 740il

Where in Mass are you?


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