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Thread: will a D4S fit in a D2S E55

  1. #1
    Senior Member HID Nut Da-Sarge's Avatar
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    Question will a D4S fit in a D2S E55

    i have a set of E55 projectors and ive run into an issue i would like to find out if a D4S will fit into my D2S E55s (i dont have a D4S to try) ive seen D4S bulbs before but ive never really checked them next to a D2S does anyone know

    thanks for the help

  2. #2
    Senior Member HID Learner blackcam09's Avatar
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    I believe just the notching is different, but you can probably cut your own notching, also you have to use a d4s ballast too.
    Headlight retrofit (low beams):
    RX330 Projectors with blue painted stock shields (Limiter removed)
    TSX-R Clear lenses
    Matsushita Gen V Ballasts
    Osram 66240CBI D2S (5000K) Bulbs
    High beams: Mtec super white (4350k) bulbs
    Blackout housings with stock chrome rings
    Morimoto relay harness

  3. #3
    I'm currently working on a retrofit with an 08 lexus es350 projectors and they take D4S bulbs, but all i had to work with to do my aiming was a D2S bulbs and they fit right in. Hope this helps

  4. #4
    Senior Member HID Nut Da-Sarge's Avatar
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    i do know about the D4 series balast requirement as for the ES350 projectors did you have to do any notching on the D2S bulb to fit it? i know that a D4S notch is at the 9:00 position when looking at the bulb from the base and the D2S had the notch at i beleave the 2:00 position (the positioning is im guessing) does the D4S have a notch in the same spot as a D2S as well i really dont remember if they do or not i havent seen a D4S in a while

  5. #5
    Senior Member HID MASTER Michelin Man's Avatar
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    Yeah D2S has the square notch at the top, and at about 2 o'clock there's that circle notch. The D4S has the same square notch on top but has the circle notch at 90 degrees to the right (3 o'clock).

  6. #6
    Senior Member HID MASTER Michelin Man's Avatar
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    ohh damn, it's on the other side. It's been a while since I've seen one.

  7. #7
    Senior Member HID MASTER Michelin Man's Avatar
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    I gotta get some D4S's to play with, see what this is all about. Maybe by then I'll remember which side the notches are on haha.

  8. #8
    Senior Member HID Nut Da-Sarge's Avatar
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    ok thanks all the D4s bulbs wont fit a D2S projector with out a little modding looks like the E55s i got are getting the little key notch shaved off so all is left is the directional notch (the square notch)

    thanks all for the help

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