E46 Touring rear window demist problem

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  1. E46 Touring rear window demist problem 
    #1
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    dft46's Car Details
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    My 2002 320d touring has developed a fault with the rear window demist. All of the electrical conductors on the rear window have burnt out where they touch the rubber sealing strip on the left hand side. I have tried to repair them with silver paint but they burn out again. I have checked the voltage across the strips and I get battery voltage.
    Has anyone found a solution to this problem?
     
     

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    Mine does the same mate I have checked everything only way to fix it 100% is a new rear window :(


    Sent from my iPhone using my fingers

    320d Tourer 11/2003
     
     

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    Quote Originally Posted by jim 320D View Post
    Mine does the same mate I have checked everything only way to fix it 100% is a new rear window :(
    How much did you pay for the new screen (inc labour and any other ancillary parts?
     
     

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    See if your insurance will cover a cracked rear windscreen? Then have an accident with a hammer
     
     

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    Quote Originally Posted by matthew_henson View Post
    See if your insurance will cover a cracked rear windscreen? Then have an accident with a hammer
    have given that some thought before now


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    320d Tourer 11/2003
     
     

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    I can only suggest you try the silver paint trick, but you will have to build up the layers to get a build up of conductive track that will not burn out.

    If that fails, use a hammer
     
     

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    If / when you get a new rear screen, have it tinted by a 3rd party tinter - the layer of tint will act to protect the heating elements.

    It's what I *was* going to do on my E46, but I never did save up enough for a new rear screen (near £500 to buy, plus fitting. I'm too honest to have a not-so-accidental-accident)
    2003 E39 530i Sport Touring Auto.
    Goes OK, comfy enough...
    Black Paint | Black Leather | Cruise | Auto Wipers | Auto Headlights | Arm rest | Cup Holders

    Some people say I'm stark raving bonkers... The others just smile and nod

    Sometimes I think I understand everything... Then I regain consciousness!
     
     

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    #8
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    Here's a picture of my Touring's rear window, which was tinted by PSSC of Peterborough.
    Cost was £75. They could have done a cheaper tint (for £50), but one's BMW deserves the
    better quality. I chose the lightest tint (as I didn't want the car to look too chaved up).

     
     

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    What about doing the silver paint then laquering over it? Sounds like it will need to be a thick layer of conductive paint to make sure it can carry the current, and then laquer to stop anything rubbing it off.
     
     

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    Isnt the rear demister tied in with the radio amplifier in the rear c pillar,maybe that has a fault?
     
     

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