WTF is goin on with my Climate Control? - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 06-04-2006, 11:29 PM
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WTF is goin on with my Climate Control?

Just since this friday, my climate control is fucking up. When i start the car up i turn it off then a few seconds later it will turn back on. Sometimes I till go to turn it off, but the display just goes dim and then it still is pushing out air, or it will turn off then on itself again. Should I get a new one or is there a problem i can fix?
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#2 (permalink) Old 06-05-2006, 01:05 AM
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the whole climate control moduale can be replaced. My done was shortly before i bought it. look on ebay or people parting cars out in your area.

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#3 (permalink) Old 06-05-2006, 07:55 AM
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no need, all you need to do is take out the climate control unit, disassemble it's case, extract it's mainboard, scrape the protective enamal off of the solder joints of a specific capacitor (a blue rectangle on the back of the board), and re-solder it with some extra solder. Plus, you can clean out it's little temperature reading duct while your at it, it gets all caked up with dust and gets nasty, especially if your a smoker.
http://www.macadamizer.com/bmwfix.html -DIY tutorial
This guy replaced his capacitor, but either way, the solder joints have barely any solder on them, and from all of the heat cycles of the components heating up and cooling from daily use created stress fractures, particularly on the leads to that capacitor, which causes the CC computer to go nuts.

.... Of course, if you dont feel like doing that, you can always ebay one and watch it eventually go nuts unless that owner did something to fix it. Same goes for a brand new one, it too will probably eventually go nuts.
Or, if you want to, you can mail it to me with paid return postage and I'll fix it for you for 5$. No garuntees, but it wont be any worse.
I also betcha didn't know your car has motorola chips in it either, didya? :P



Last edited by bitcore; 06-05-2006 at 08:01 AM.
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#4 (permalink) Old 06-05-2006, 08:42 AM
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THanks for the info. I will try to fix it myself this week.
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