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    Thread: d2s vs d4s..

    1. 02-27-2007 01:11 AM #1
      will a d4s bulb fit into anything d2s ie projector and bulb holder? thanks

    2. Global CSI Moderator
      Join Date
      Apr 10th, 2000
      2008 Passat 4Mo 3.6L Wagon, 98 VRt, 2010 Routan/Caravan :)
      02-27-2007 07:26 AM #2
      Quote, originally posted by GtiVR6racer »
      will a d4s bulb fit into anything d2s ie projector and bulb holder? thanks

      From what I know about this bulb it has the same p32-d base as all of the other OEM xenon's - which means it should fit in the base just fine.

      I believe the only difference is in the makeup of the bulb itself (on the inside)....
      So the short answer would be yes - it should fit.
      More info can be found here.

      Modified by nater at 9:34 AM 3-28-2007

    3. 02-27-2007 10:25 AM #3
      Yes, the capsules will physically fit, but (as far as I'm aware) they require specific ballasts.

    4. Member EternalMind's Avatar
      Join Date
      Jun 7th, 2005
      337, B7 A4 (sold)
      02-27-2007 11:33 AM #4
      the D4 is the Mercury(Hg)-free version of the D2. it's electrical characteristics are slightly different than the D2 (higher inrush current, longer time to get to steady state, etc.), and it does require a ballast designed specifically for it.
      also, be aware that (right now, anyway) most if not all of the Hg-free bulbs (D3 and D4) have lower light output than the bulbs containing mercury (D1 and D2).

    5. 05-15-2008 01:14 PM #5
      I am trying to replace a projector bulb for a mk4 FK hid but can't seem to find the correct temperature. Do I need to buy two to ensure a color match? anyone know of the best place to find these on the net or locally? lil help here thanks! [IMG]http://**********************/smile/emthup.gif[/IMG]

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