330ci 2001 Climate Control issue

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  1. 330ci 2001 Climate Control issue 
    #1
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    KerrenKentLad's Car Details
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    Hey all, first post to forum but found it very useful in the past.

    My problem: Climate control fan seems to only have one speed: full, no matter where I set the fan control (digital) it will turn itself off when it gets to the right temp but when it comes on it comes on full. Same with manual, I can turn it all off, but when its on no matter how high the fan is apparently set it is always on full.

    I'm assuming its a resistor problem, but if someone could point me in the exact direction to save a BMW Main Stealer trying to pull a fast one I would be most grateful.

    Thanks
     
     

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    #2
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    Quote Originally Posted by KerrenKentLad View Post
    Hey all, first post to forum but found it very useful in the past.

    My problem: Climate control fan seems to only have one speed: full, no matter where I set the fan control (digital) it will turn itself off when it gets to the right temp but when it comes on it comes on full. Same with manual, I can turn it all off, but when its on no matter how high the fan is apparently set it is always on full.

    I'm assuming its a resistor problem, but if someone could point me in the exact direction to save a BMW Main Stealer trying to pull a fast one I would be most grateful.

    Thanks
    i would suggest its the final stage resistor at fault here

    This is how to find it on the E39, hopefully it will be similiar on your E46 (Im guessing as you havent put the year down)

    Take off the lower driver's side dash panel (the piece above the pedals).
    - Look up toward the center console area (sort of where you'd be if you could go straight back from the climate control panel).
    - Look for a squarish flat surface held in place by two screws that has a small wiring harness attached to it. Unscrew it and pull it out.
    - THAT is the final stage resistor.
     
     

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    Quote Originally Posted by bossman View Post
    i would suggest its the final stage resistor at fault here

    This is how to find it on the E39, hopefully it will be similiar on your E46 (Im guessing as you havent put the year down)
    It's in the thread title
     
     

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    The guy at BMW said it might be the heator resistor pack - is this the same thing?

    Also, it seems to be an intermittant fault as for the last couple of days its been fine. I would have thought that a resistor would either work or not work rather than work intermittantly - or am I mistaken on this?
     
     

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    Does sound like the final stage unit

    look here http://www.realoem.com/bmw/showparts...20&hg=64&fg=40
     
     

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    Ok ...

    Any idea where the cheapest place to get these parts are? BM want £50 + VAT
     
     

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    Quote Originally Posted by KerrenKentLad View Post
    Ok ...

    Any idea where the cheapest place to get these parts are? BM want £50 + VAT
    its a BMW only part I think mate

    eg..your going to have to pay the £50+ vat!
     
     

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    Look here, http://www.c3bmw.co.uk/Page.asp?CategoryID=321.
    You may find other places or cheaper but this is one I stumbled across one day
     
     

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    Sorry to throw a spanner in the works.. But if you do a search i have a similar problem, but making all sorts of wonderful noises...
    I did a search on a review of the e46 and aparently like the BMW dealer said they are prone to Heater bloweer fan/switch failing..apparently too bmw are aware of this and should rectify for free.. i will try and find the article... suppose you have to beleive the dealer..thought of changing the final stage resistor but you may OR may not solve the problem...
    .. FOUND THE SITE....
    http://www.autoexpress.co.uk/carrevi...w_3series.html
     
     

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