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Thread: 03 z4 7 pin headlights on 6 pin harness

  1. #1
    Join Date
    Oct 2006
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    loganville ga usa
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    93 325i

    03 z4 7 pin headlights on 6 pin harness

    I looked all over google I felt this would be a common question but didn't find enough info.
    I ordered headlights off eBay ,they seem to be the spider brand , they are listed as fitting my year but the harness clearly has an extra pin that seems to run to the top led strip I could live without but none of the lights seem to work other then the blinker .

    From what I was reading online after the facelift they updated to a 7 pin harness how would I rewire this to work ?

    Also the halo lights I found can be wired into the main wiring box but I was considering running them to the low beams that wouldn't cause any issues would it ?
    Attached Images Attached Images
    The issues are only as expensive as the performance parts we choose to replace the old ones with

  2. #2
    Join Date
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    loganville ga usa
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    93 325i
    http://m.ebay.com/itm/Black-2003-200....c100408.m2460


    No idea why that link is so long

    That's the lights, I didn't buy from that seller but they had more photos of the lights on their listing .
    Last edited by starwind; 08-14-2016 at 07:33 PM.
    The issues are only as expensive as the performance parts we choose to replace the old ones with

  3. #3
    Join Date
    Oct 2007
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    Washington DC area
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    Zed4
    The description for these headlights is hilarious, it's worth reading through it for a good laugh.

    Can you get to the headlight adjusters without going through the wheel well access panel?
    Are all the bulbs installed?

    To answer your question, I don't know what the extra pin is for, but if you looked at the schematic, that should give you a clue.

  4. #4
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    loganville ga usa
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    93 325i
    If I had or could find one that would be great.

    Yes bulbs are installed tried both headlights as well.

    Not sure about adjustment trying to get them to light up first

    And iv got a pair of these headlights in a e90 and they have been great no leaks going on a year
    Last edited by starwind; 08-14-2016 at 09:13 PM.
    The issues are only as expensive as the performance parts we choose to replace the old ones with

  5. #5
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  6. #6
    Join Date
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    loganville ga usa
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    93 325i
    After getting the site to work messing around with Java settings it only has the same diagram I had found and thought was the wrong diagram, it doesn't seem to be a harness diagram , I may just be miss understanding it .

    I also found this list of a xenon diagram but my car didn't come with xenon headlights and the seller sates the lights do not work with cars that have factory hid installed .

    If anyone knows or could point out the wiring difference in pre face lift vs face lift wiring.

    Also was the face lift in 2006? Most headlights I see for sale list 03-08 I have even seen a old post from a member having a pair of the same headlights for sale stating that the lights worked with 6 and 7 pin.
    Attached Images Attached Images
    Last edited by starwind; 08-16-2016 at 01:27 PM.
    The issues are only as expensive as the performance parts we choose to replace the old ones with

  7. #7
    Join Date
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    93 325i
    That's the screen shot of a oem headlight it's just like the replacements I have . My oem headlights and harness do not have the bottom left pin .
    Attached Images Attached Images
    The issues are only as expensive as the performance parts we choose to replace the old ones with

  8. #8
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    I am going to assume the OEM lights are not Xenon.

    These are for non-Xenon lights.
    Attached Files Attached Files
    You all never seem to have enough time to do the job properly the first time, but you always seem to find the time to do it a second time......... ME

  9. #9
    Join Date
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    Yes mine are oem non hid . I think the hid units have 8 pins
    Last edited by starwind; 08-17-2016 at 08:56 PM.
    The issues are only as expensive as the performance parts we choose to replace the old ones with

  10. #10
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    I made a mistake and uploaded the wrong versions. The one's uploaded are for MY 2006 cars. I now see you have a 2003.
    I will post the correct diagrams when I get home from work.
    You all never seem to have enough time to do the job properly the first time, but you always seem to find the time to do it a second time......... ME

  11. #11
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    Here is the diagram for cars up to MY 2006, non-Xenon lights.
    Attached Files Attached Files
    You all never seem to have enough time to do the job properly the first time, but you always seem to find the time to do it a second time......... ME

  12. #12
    Join Date
    Apr 2017
    Location
    Lithia Springs,GA
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    My Cars
    2003 BMW Z4
    Hello there. Im having the same issue. My Z has 6 pins and the new headlights have 7. Need help trying to rewire them.

    - - - Updated - - -

    I do not seam to understand the wiring diagram

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