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Thread: Unable to manually aim oem retrofitted xenons via adjustment knob...?

  1. #1
    Join Date
    Oct 2012
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    Charlotte, NC
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    2003 540it

    Unable to manually aim oem retrofitted xenons via adjustment knob...?

    Hey everyone!


    I recently retrofitted some oem xenons from a 330i into my 325i E46.


    On the passenger side, the vertical aiming knob allows the light to go up and down.


    The driver side, no matter how much I turn the knob, nothing happens to the light. Is the gear inside broken? Is there any way to work around this issue?? The lights are currently aimed a little too low.


    Thank you in advance for everyone's help! The lights look great and really update the look of the front, I want them to be more functional too though!



  2. #2
    Join Date
    Sep 2005
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    The adjustment screw may be past its limit and isn't catching the adjusting arm. Taking it apart will paint a better picture, but I doubt that the adjuster is broken. e46 did not suffer from traditional e39 headlight issues since the design is different. Have you tried using a phillips screwdriver instead of a hex wrench to adjust?

  3. #3
    Join Date
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    Quote Originally Posted by Mless5 View Post
    The adjustment screw may be past its limit and isn't catching the adjusting arm. Taking it apart will paint a better picture, but I doubt that the adjuster is broken. e46 did not suffer from traditional e39 headlight issues since the design is different. Have you tried using a phillips screwdriver instead of a hex wrench to adjust?
    Ohhh, i didn't realize to turn it with a screwdriver. I was just turning the knob which might have been disconnected from the whole mechanism. Will try with screw driver and report back!

  4. #4
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    Be careful not to strip it since it' all plastic in there. Grab your meatiest phillips head driver for this and turn slow while assisting the adjustment wheel with your other hand.

  5. #5
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    6 mm allen works much better
    ASE and BMW Master Certified Technician

  6. #6
    Join Date
    Oct 2012
    Location
    Charlotte, NC
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    2003 540it
    Quote Originally Posted by Mless5 View Post
    Be careful not to strip it since it' all plastic in there. Grab your meatiest phillips head driver for this and turn slow while assisting the adjustment wheel with your other hand.
    Oh wait that's true. There's no phillips head screw in there...just an allen key. But it seems like the knob is already turning the allen key as a whole...

    Still doesn't really work =X

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