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DIY: E36 OEM Grade Bi-LED Projector Retrofit into Bosch Euro Headlights

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  • DIY: E36 OEM Grade Bi-LED Projector Retrofit into Bosch Euro Headlights

    This DIY is brought to you by pink beach towels. Buy yours today!

    LED is quickly becoming the new norm and finally there are OEM grade projector swaps that fit lights like the Euro Bosch. After hours of research, the Morimoto M LED seemed like the perfect fit for these lights. The goals for this project were;
    -Must be completely self contained inside the headlight and wired internally off the Euro connector. NO ballasts mounted to frame rails, NO caps off or any compromises to the headlight for fitment. https://support.content.office.net/e...16f57de227.gif
    -Projector must fit behind the inner lens. NO holes to drill in glass! (Yes I know this degrades the output and weakens the cutoff line) https://support.content.office.net/e...16f57de227.gif
    -Must be a quality LED retrofit. NO garbage eBay H1 LED drop in bulbs with 1 million lumens (they do not work, period). https://support.content.office.net/e...16f57de227.gif
    -Easy to do. https://support.content.office.net/e...16f57de227.gif

    Parts Needed
    -Bosch H1 Projector Euro Headlights
    https://old.schmiedmann.com/en/bmw-e...ct=63121387041
    https://old.schmiedmann.com/en/bmw-e...ct=63121387042
    -Morimoto M LED
    https://www.theretrofitsource.com/pr...rojectors.html

    Start by preparing the Morimoto control unit for tear down. It is very well sealed in water-proofing foam so it takes time to scrape it all out. Use a small flat head screwdriver and just be cautious as you scrape around the PCB board and wires.





    The PCB has a light strength silicone holding it to the metal box. Once you have enough of the foam out of the way you can gently pop the board free of the bond.



    Keep cleaning the foam off the rest of the board.



    Cut the Low and High connectors off as shown and desolder the projector wiring off the PCB. Keep the full length of the wiring.



    Remove the harness from the projector and cut the end off so you can remove the wires from the sheathing. Keep the full length of the wiring.





    Soldered back up and ready for install.



    Projector Mods. There are two mods here that you should be doing. "Chip flip" mod and covering the projected M. Flipping the chip reduces the center hot spot in favor of more even light output throughout the whole light spread. You also want to make sure the wires are flat as some of the lights ship with the wires casting a shadow.

    Remove the LED board and flip it 180 degrees. Note that when flipped the holes no longer match up.





    Dremel the holes so you can properly mount the LED chip flat in the new orientation.

    Remounting. Use new thermal paste (Artic Silver here)





    Silhouetted Morimoto logo covered



    Preparing the Bosch

    Pop the covers and the front lens





    Remove the inner frame

    https://youtu.be/JzAJYphGIic

    Remove the projector and the plastic frame that holds it.




    Modify the projector plastic frame




    Dremel all this flat. I use a metal cut off wheel.





    Same on the other side, dremel them off flat.





    Cut these as shown.



    Also notch the frame as shown below in these two photos to clearance for the high beam shutter solenoid.

    Mock up the projector and mark your holes for drilling. Only two holes are required but you can do the upper holes if you want. The projector bracket should be parallel with the plastic frame bottom.



    Drill size 9/64



    I used a PC case fan screw to mount the projector to the frame (holds super solid if you don't oversize the drilled holes). You will also need to remove the two top screws that hold the projector lens frame on.



    Remount the projector and frame to the chrome housing. The projector should look centered within the chrome frame now.



    Wiring

    Use high strength double sided tape to mount the module in the Bosch housing.



    Low beam positive to yellow wire.
    High beam shutter positive to white wire. You're just tapping off the high beam wire to activate the shutter. Keep power going to the Halogen H1 high beam bulb too.
    Wire both grounds to brown.



    Remount everything back into the headlight case and make sure you install the projector harness in before remounting!



    All remounted and fitting just right!









    Quick comparison of stock Bosch with a Halogen Osram Nightbreaker versus the M-LED conversion

    https://youtu.be/9m8p6Qeig3A

    MSportParts | Braymond141

  • #2
    This is interesting. How well does the Bi-LED function as high beam? Does it work in addition to the HB side? Also, could this be done to the DEPO projectors? If I did Euros, they would exceed the value of my car. I realize the price of the Morimotos reflect its small market target, but holy crap.
    Last edited by h82crash; 03-27-2020, 11:06 AM.

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    • #3
      Originally posted by h82crash View Post
      This is interesting. How well does the Bi-LED function as high beam? Does it work in addition to the HB side? Also, could this be done to the DEPO projectors? If I did Euros, they would exceed the value of my car. I realize the price of the Morimotos reflect its small market target, but holy crap.
      They function quite well, and keep in mind these are the 1.0 version. MLED 2.0 were recently released and they put out more light than top tier xenon. I've been trying to order a set for weeks now from a friend that is a vendor but I can't get the deal done.

      I can't comment on Depo. Your money is better spent on used Bosch euros (around $250 shipped). Because the Depo have larger casings, you can swap no problem I would imagine, it's the the Depo plastic quality is extremely bad.

      MSportParts | Braymond141

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      • #4
        Thanks! Too bad about DEPOs. And those are the expensive ones on fleabay.

        Comment


        • #5
          Braymond141 Hey Brett, the link for the morimoto projectors is 404. Is this the correct set? https://www.theretrofitsource.com/bi...LED?quantity=1

          Also, I’m not too well versed in headlight technology but I assume this is superior to any ellipsoid setups from Umnitza?
          Bi-LED: Morimoto M LED. The performance is above average. The simplicity is sublime. The ease of installation is excellent. The Retrofit Source
          Last edited by TodoRojo; 10-16-2020, 09:05 AM.
          Usernam3 on Bimmerforums

          Comment


          • #6
            Originally posted by TodoRojo View Post
            Braymond141 Hey Brett, the link for the morimoto projectors is 404. Is this the correct set? https://www.theretrofitsource.com/bi...LED?quantity=1

            Also, I’m not too well versed in headlight technology but I assume this is superior to any ellipsoid setups from Umnitza?
            Umnitza does terrible work. Do not buy anything from them.

            Morimoto has since released the M-LED 2.0. I haven't purchased a set yet, but I would look into fitting those as they are almost 2x brighter than the original (which are already quite good).

            MSportParts | Braymond141

            Comment


            • #7
              Originally posted by Braymond141 View Post

              Umnitza does terrible work. Do not buy anything from them.

              Morimoto has since released the M-LED 2.0. I haven't purchased a set yet, but I would look into fitting those as they are almost 2x brighter than the original (which are already quite good).
              Thanks for saving me $700 lol. Maybe I can take the dive on the 2.0 then for the team. I'm probably not purchasing until December, but if I beat you to it I'll make sure to document my findings.
              Usernam3 on Bimmerforums

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