2000 E46 330i dipped headlamp not working

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  1. 2000 E46 330i dipped headlamp not working 
    #1
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    steve519's Car Details
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    Hi
    my son' came home yesterday with the drivers side dipped beam not working. Assumed it was the bulb, so replaced it, but it still does not work. I tried the bulb from the other side which was working, and that did not work either. Any suggestions please.

    steve
    Last edited by Joe9087; 21-10-2009 at 14:09. Reason: Modified title
     
     

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    #2
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    SimonSingh's Car Details
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    dodgy wiring somewhere.

    check fuses first, and then any obvious scorch marks on the wires
     
     

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    steve519's Car Details
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    Hi
    are there seperate fuses for each light.

    steve
     
     

  5. fuse for dipped beam 
    #4
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    Hi
    I have looked at the fusebox and it does not list any fuses for left side dipped beam.anyone know where it is? Thanks
     
     

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    Dr of BMW gildersol's Avatar
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    Is this an E46?
     
     

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    Joe9087's Car Details
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    Yes, it's 2000 saloon so it will be E46. I've modified the thread title accordingly
     
     

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    Dr of BMW gildersol's Avatar
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    Check fuses F9 and F32. These fuses and 2 other main fuses just supply the light switch control unit. This unit then switches the power to the lights. Both low beams are on separate circuits, the wires are yellow/blue for one side and yellow/green for the other side. Not sure which is which but you can check the wires going to the lights.
    With the lights switched on, check with a multimeter or test lamp if there is 12v getting to the wire at the light connector.
    You could also check for 12v at the back of the light switch centre at the same coloured wires
     
     

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    Joe9087 (21-10-2009)

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    Thanks for info, will check when my son gets home.
     
     

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    #9
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    Hi
    Both fuses were okay, and i checked the volts from the connector and it was 8.5v.
     
     

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    Earth connections behind the headlights can come loose/ corrode, worth having a look there.
     
     

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