Climate Control Board - Faulty or Not - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 08-05-2004, 05:16 PM
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Hi all,

I have just bought a 1997 318is Coupe Sport and am experiecing some issue's i never noticed when purchasing the car.

When i start the car and play around with the Climate Control settings, so far it works fine. However, when i turn off the car and pull out the key from the ignition, the climate control board makes a constant humming sound/noise like there is a fan inside it still spining or a faulty relay or somesort. This lasts for about a 10 mins or so and then the sound/noise goes off.

Is this normal operation?

Also the Hear Windscreen defroster is not working i do not think, however, i have not had a chance to check it properly as the weather in the UK is quite hot and humind.

TIA.
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#2 (permalink) Old 08-06-2004, 06:41 AM
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any one..........
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#3 (permalink) Old 08-06-2004, 10:37 AM
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Quote:
Originally posted by bbasra@Aug 6 2004, 07:21 AM
any one..........
My 325is does this also... I had the climate control out of it yesterday (bulb replacements) and turned the car on while it was out. There is a fan on the climate control unit that stays running after you remove the key. It also does it on the girlfriend's 328is, so I'm going to guess that it's normal.
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#4 (permalink) Old 08-07-2004, 07:46 PM
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Thanks.
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#5 (permalink) Old 08-08-2004, 11:52 AM
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Yeah, I have a 97 328i and one time I pulled the key out in my garage, heard that sound, and spent a few minutes trying to track it down. It was coming out of the right side of the climate control. I was considering posting a question like you did, but now I see it must be normal.

Does anyone know what it's purpose is?
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