Question about 1997 BMW 328

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I have a 1997 BMW 328i sedan. I replaced everything in the A/C from the firewall forward. The upper vents in the car blow cold, 45 degrees in the vent. However, I am getting hot air coming out from under the dash. Could this be the heater valve or is there some other "secret BMW problem" that is at fault here?

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  • 221 Answers

There's nothing special from BMW it will be one of the airtake valves not shut properly, or stuck in open position. Follow the hot air and try to access the source to identify the actual problem

If you'll need something more detai, just drop me a line

Good luck

Posted on Jun 23, 2009

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No heat or a/c


From what your saying, it works in a sense, but very little air is blowing out. I had this issue with my '96 328i where the climate control was only running the fans at a low speed no matter what setting I put it on. The resolution to my problem was replacing the final stage unit for the climate control and now my heat and a/c work beautifully and the fan goes from low to high without problems. If you don't have climate control but the manual dials for the heat and a/c, then you may need to change the blower resistor pack. For either unit, it can be located in several places and you'll have to do some searching to find it good. If the convertible is any similar to the 4dr sedan I have, it should be located under the dash panel on the drivers side at the rear of the console. Hopefully this link may help you out.

http://forums.bimmerforums.com/forum/showthread.php?t=292522


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