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Thread: BMW E30 heater control valve not working

  1. #1
    Join Date
    Aug 2015
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    My Cars
    1989 325i

    BMW E30 heater control valve not working

    I have replaced my leaking heater control valve and heater core on my 1989 325i. I tested the valve before putting the panels on and it worked fine. Of course once I got it all together it is no longer working. Can anyone tell me what fuse controls the heater valve?

  2. #2
    Join Date
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    11/88 E32 750iL+98 E36M3
    here are all the fuses listed http://shark.armchair.mb.ca/~dave/BMW/e30/
    Shogun tricks and tips for the E32 series are HERE!

  3. #3
    richardodn's Avatar
    richardodn is offline Old Guy BMW CCA Member
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    Remember the heater control valve is normally open. The valve closes when you turn the temp dial to cold. It's possible it's stuck closed, but unlikely. If your problem is no heat, make sure you have properly bled the coolant system.
    "Howdy, Folks!"

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  4. #4
    Join Date
    Aug 2015
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    Lafayette California
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    1989 325i
    Thank you for the information

    - - - Updated - - -

    Thank you. It was a new valve and even though I bled it once it did not work. After bleeding three times it kicked on. Thanks for your advice

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