How To: Halogen to OEM Bi-Xenons swap (plug-and-play HID conversion)
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    1. #1
      Member theshadow27's Avatar
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      How To: Halogen to OEM Bi-Xenons swap (plug-and-play HID conversion)

      SwedeSpeed P1 (C30, S40, V50, C70) HID Retrofit Index
      1. SKBOWE Plug-and-Play harness for P1 HID conversion
      2. Background info, general questions, and share your HID setup
      3. KBOWE How-To (Original 2009 Version) build your own PWM filter
      4. Original 2009 investigation and technical discussion on S40 HID issues
      5. ForceFed’s E46 D2S Bi-Xenon Projector Retrofit guide
      6. Rewire OEM Bi-Xenon headlights to work on the halogen harness (you are here)
      7. DRL Disable Alone not enough for safe Aftermarket HID retrofits


      WARNING: This modification caused WMM failure after around 2 years of operation even with DRL disable - as we found out later DRL disable does not actually disable PWM - and the lack of an auxiliary additional ground point.

      If you are able to build your own mini KBOWE it is still possible to do this swap, but you MUST use a full 30,000uF+ capacitor PWM filter AND add a ground point by tapping or cutting the brown ground wire (pin 4 on the connector) and physically screwing it to the chassis like this - defeating the purpose of a plug-and-play If you put the KBOWE inside of the headlight housing (to keep it looking stock) the capacitors will run warm so get high quality 35V 105C 5000hr caps only! I'd be glad to help with it - just drop me a PM.

      That said, this is technically the only street legal (DOT approved) HID retrofit for P1 cars.






      ---------- Original Post -------------

      If you have an 05-06 and want the new body style LED city lights, or have any year (05+) with halogens and want factory Bi-Xenons, this how-to describes how to drop in a pair of 07+ (facelift) bi-xenons. This applies to S40s and V50s, but I see no reason it shouldn't work on C30's and C70s (new) either. The process is extremely simple, though expensive, *almost* direct swap. A few drawbacks worth mentioning:
      - There are possible fitment issues using the 07+ lights in the 05-06 (pre-facelift) body? Need clarification here.
      - Will set you back $1600 if you get new units from the stealership
      - Road following and auto-leveling won't work. Yes, I've looked, no, there is no workaround
      - For direct swap with no additional parts, you MUST get DRLs disabled. If you are comfortable building a KBOWE and cracking open a headlight housing, there are much less expensive ways to retrofit bi-xenons

      That said, if you've got the cash (or the time to find used parts) and don't mind loosing your DRLs, like I promised this is a super simple process - 2 steps!! (well, four if you count getting the housings and installing them in the car). It is almost impossible to detect the modification and it does not prevent the lights from being re-installed in a car that came with OEM HIDs (i.e. you can sell them w/o having to undo anything).

      On to the guide!

      We are going to use a piece of wire to connect pins 4 and 10 inside the housing. You'll need a piece of wire 16 gauge or higher (i.e. 16, 14, 12AWG) about 8" (20cm) long. I used brown, to match the factory wires, but color really doesn't mater.

      Step 1 is to make the connection to pin 10, the low-beam ground. The best place to get this is the brown wire in the 4 pin connector that plugs into the factory ballast (the metal back cover). You can get at it by unclipping the back cover/ballast and pulling it away from the housing - no need to unplug anything. In the spirit of "super simple", I've used a 3M quick tap:



      But don't let that discourage you from doing it properly (cut brown wire, use butt connector).

      Step 2 is to connect your new wire to the high-beam ground (pin 4). The easiest place to make this connection is on the high-beam connector, which you can get at by removing the small twist-off circular cover on the top of the light assembly:



      I pulled the QD out from the plastic holder and crimped my wire on:



      Then re-installed it like so



      However if you have less patience than me you can use a 3-way butt (alright) or a quick-tap (worst).

      And that's it! Put the covers back on, pull your old headlights out, plug the new headlights in, and you've got a set of plug-and-play bi-xenons, with working turn signal, LED city light, side marker, and high beam flapper!



      Cheers to carreragt7 for letting me borrow his headlights

      Jacob
      Last edited by theshadow27; 07-19-2017 at 12:19 PM. Reason: Update with status of CarreraGT's car
      '05 S40 T5 AWD M66 sport/winter/ew. Michelin PS A/S+. 6000k 50w HID low/HIR1 high/full LED conversions. RiCA SW. Evoelate intake. IPD rear sway, skidplate, TCV.
      Writeups
      Full P1 (S40/V50/C30/C70) & P2 (S60/V70+R) LED conversion | P1 HID conversion & details | FM Modulators & interference | stalk cleaning | CEM Teardown

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    3. #2
      Member -ForceFed-'s Avatar
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      Would the same process apply if you purchased pre-facelifted xenon headlights and installed in the 04.5-06 car?

      Nice work, glad to see another clean option out there for HID's.
      Current: B9 SQ5 | P2 V70R
      Past: 11 ISF | 14 C300 AMG Sport+ | E46M | S40 T5 | NA1 NSX | Acura TL | LS-T DC4

    4. #3
      Member slrising's Avatar
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      Nice work Jacob. Hopefully AJ will get these in time for IPD meet, gonna stun allot of people with the changes he has made since last year that are yet to be seen...by some!!
      2009 V50 T5 AWD GT: Work in progress (1) (2) (3)

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    6. #4
      Member theshadow27's Avatar
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      Quote Originally Posted by ForceFed Motorsports View Post
      Would the same process apply if you purchased pre-facelifted xenon headlights and installed in the 04.5-06 car?.
      I haven't played with the pre-facelift bi-xenons so I can't guarantee wire colors going to the ballast, but yeah, it'd be the same deal; use the high-beam ground for low-beam.

      Quote Originally Posted by ForceFed Motorsports View Post
      Nice work, glad to see another clean option out there for HID's.
      Me to, I remember (for years) claiming that there was no way to do this. Now I'm on eBay looking for a set myself....
      '05 S40 T5 AWD M66 sport/winter/ew. Michelin PS A/S+. 6000k 50w HID low/HIR1 high/full LED conversions. RiCA SW. Evoelate intake. IPD rear sway, skidplate, TCV.
      Writeups
      Full P1 (S40/V50/C30/C70) & P2 (S60/V70+R) LED conversion | P1 HID conversion & details | FM Modulators & interference | stalk cleaning | CEM Teardown

    7. #5
      Member theshadow27's Avatar
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      Quote Originally Posted by slrising View Post
      Hopefully AJ will get these in time for IPD meet
      Wait, what's that little birdie? He'll have them by Friday? Hmm...
      '05 S40 T5 AWD M66 sport/winter/ew. Michelin PS A/S+. 6000k 50w HID low/HIR1 high/full LED conversions. RiCA SW. Evoelate intake. IPD rear sway, skidplate, TCV.
      Writeups
      Full P1 (S40/V50/C30/C70) & P2 (S60/V70+R) LED conversion | P1 HID conversion & details | FM Modulators & interference | stalk cleaning | CEM Teardown

    8. #6
      Member carreragt7's Avatar
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      Thanks Jacob! I'm excited to get them and try them out!
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    9. #7
      Member stealth's Avatar
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      Quote Originally Posted by theshadow27 View Post
      I haven't played with the pre-facelift bi-xenons so I can't guarantee wire colors going to the ballast, but yeah, it'd be the same deal; use the high-beam ground for low-beam.
      If you want, I can drive over and you can take my bi-xenons apart for research, just put it all back together

    10. #8
      Member slrising's Avatar
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      Quote Originally Posted by theshadow27 View Post
      Now I'm on eBay looking for a set myself....
      I may have a set if you can wait until next year? I currently have two sets (Japan spec and US Spec), you'll need to do a shield mod to make em legal though as they are for right hand drive (Japan) only 12,000 miles on them to date (2 years), and no damage. You can't get them yet as I'm using them right now, these would need the ballasts and bulbs and the metal covers (plastic covers installed) but are otherwise complete. If your interested just let me know. Hopefully I'll be back stateside in Jan or Feb and the car will follow shortly there after.
      2009 V50 T5 AWD GT: Work in progress (1) (2) (3)

    11. #9
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      Quote Originally Posted by stealth View Post
      If you want, I can drive over and you can take my bi-xenons apart for research, just put it all back together
      Next time we g2g if you don't mind... Don't have to take anything apart, just pop off the back cover and test one thing with a DMM, maybe take a pic or two. Shouldn't take more than 5 minutes.

      Quote Originally Posted by slrising View Post
      I may have a set if you can wait until next year? Hopefully I'll be back stateside in Jan or Feb and the car will follow shortly there after.
      I guess it wouldn't kill me to wait PMs away...
      '05 S40 T5 AWD M66 sport/winter/ew. Michelin PS A/S+. 6000k 50w HID low/HIR1 high/full LED conversions. RiCA SW. Evoelate intake. IPD rear sway, skidplate, TCV.
      Writeups
      Full P1 (S40/V50/C30/C70) & P2 (S60/V70+R) LED conversion | P1 HID conversion & details | FM Modulators & interference | stalk cleaning | CEM Teardown

    12. #10
      theshadow27 thank you for all your help and knowledge sharing. Can we purchase a KBOWE from you?

      I'm not sure if you've seen this, on the MKIV GTI's there's a retrofit of EOM Euro HID's, which is a drop-in unit that utilizes a 10 to 12 pin connector to match the different plug types.



      Not sure if something like this would be useful in this application.

    13. #11
      Member theshadow27's Avatar
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      Quote Originally Posted by remedyzrider View Post
      theshadow27 thank you for all your help and knowledge sharing.
      Welcome to the forum! There's a lot of good info here, and it's got to come from somewhere

      Quote Originally Posted by remedyzrider View Post
      a drop-in unit that utilizes a 10 to 12 pin connector to match the different plug types. Not sure if something like this would be useful in this application.
      Well, we don't need an adapter because the actual connector (on the outside of the housing) is the same. It would be possible to build a dongle which connected the two ground wires externally, but it would be pricey (weatherproof automotive connectors can be $20-$30 in low volume) and I doubt there would be sufficient interest in a $80 harness when they could do the same thing for less than a buck. In theory, you could integrate a KBOWE in one of these harnesses, but that too would have a limited use case since most ballasts won't fit inside the housing anyway. I'll think about it, there may be a way.

      Quote Originally Posted by remedyzrider View Post
      Can we purchase a KBOWE from you?
      I'm not in the KBOWE business (nor am I a registered vendor), so technically no. I have built one batch, and I've offered to build another if there is enough interest, but it's a pretty big outlay ($300+ in parts) so I'd need at least 8-12 people in to get the ball rolling. Last time I ended up eating a lot of it because a few folks backed out (although they eventually got bought up, so it's all good). There's a thread floating around here somewhere that might be worth a bump if you're interested.
      '05 S40 T5 AWD M66 sport/winter/ew. Michelin PS A/S+. 6000k 50w HID low/HIR1 high/full LED conversions. RiCA SW. Evoelate intake. IPD rear sway, skidplate, TCV.
      Writeups
      Full P1 (S40/V50/C30/C70) & P2 (S60/V70+R) LED conversion | P1 HID conversion & details | FM Modulators & interference | stalk cleaning | CEM Teardown

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      Sorry, daft question here....and no, I'm not after a daft answer!!!!
      Why do you need to disable your DRL's ?

      I've not played with the pre face-lift headlights as mine are 2008+ fitted to a 2005.
      I have DRL's working but I went for the aftermarket HID kit with external ballast. I know you wanted to avoid this direction so I understand the differences.

      As for the headlight fitment, 2008+ will fit pre-2008 but you'll have a small gap below the headlight.

      Piccy shows my 2004 style headlight on the left and a 2008+ Bi-Xenon on the right both powered up and working!

    15. #13
      Member theshadow27's Avatar
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      Quote Originally Posted by jasonb View Post
      Sorry, daft question here....and no, I'm not after a daft answer!!!!
      Why do you need to disable your DRL's ?
      It's not daft at all. There is an in-depth discussion here that explains some of the issues. If you have questions which were not addressed there I'd be glad to answer them.
      '05 S40 T5 AWD M66 sport/winter/ew. Michelin PS A/S+. 6000k 50w HID low/HIR1 high/full LED conversions. RiCA SW. Evoelate intake. IPD rear sway, skidplate, TCV.
      Writeups
      Full P1 (S40/V50/C30/C70) & P2 (S60/V70+R) LED conversion | P1 HID conversion & details | FM Modulators & interference | stalk cleaning | CEM Teardown

    16. #14
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      Stickied. Thanks!
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    17. #15
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      IF i was to go to a junk yard and jsut take the headlights (xions) out and just swap them with my halogen lights would that work?

    18. #16
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      Quote Originally Posted by nwidener View Post
      IF i was to go to a junk yard and jsut take the headlights (xions) out and just swap them with my halogen lights would that work?
      No

      Please read the OP which explains the necessary modifications.
      '05 S40 T5 AWD M66 sport/winter/ew. Michelin PS A/S+. 6000k 50w HID low/HIR1 high/full LED conversions. RiCA SW. Evoelate intake. IPD rear sway, skidplate, TCV.
      Writeups
      Full P1 (S40/V50/C30/C70) & P2 (S60/V70+R) LED conversion | P1 HID conversion & details | FM Modulators & interference | stalk cleaning | CEM Teardown

    19. #17
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      Another drawback... you need an extension cord to power them . What's with the wire?

    20. #18
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      Quote Originally Posted by AutoGeek View Post
      Another drawback... you need an extension cord to power them . What's with the wire?
      Oh lol... I built in engine oil pan heater/120V battery charger a while back. I leave it plugged in when working so as not to kill the battery even if the lights are on for a few hours.
      '05 S40 T5 AWD M66 sport/winter/ew. Michelin PS A/S+. 6000k 50w HID low/HIR1 high/full LED conversions. RiCA SW. Evoelate intake. IPD rear sway, skidplate, TCV.
      Writeups
      Full P1 (S40/V50/C30/C70) & P2 (S60/V70+R) LED conversion | P1 HID conversion & details | FM Modulators & interference | stalk cleaning | CEM Teardown

    21. #19
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      HI, I have a MY09 S40 2.0 with Halogen lights. As your P&P Conversion method, I'll get a new (or used) Xenon housing and pins 4 and 10 inside the housing, then replace the original Halogen housing, is that Right?
      Is there any Error CODE in Trip Computer after exchange to the Xenon Housing ?

      I refer to VIDA that there's a Control Unit of Xenon Lights, that the Halgoen car not have, Need to add it???

    22. #20
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      no one knows?

    23. #21
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      Hello guys,
      I´m new in this forum, great pleace. I come from Polend and have a V50 2011 with halogen light and would like to change on Xenons.
      I have original xenon front lamps with D1s. Now I need a ballast. What do you think is better a Hella 5dv 009 000 00 or a HID ballast?
      Me other problem is how to cheat the CEM, can I use only the error cancellers like this one:
      http://allegro.pl/filtr-przeciwzaklo...977402723.html

      Is it also nesesery to use a relay with direct conection to the battery?

      Please help me guys

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      please

    25. #23
      Member theshadow27's Avatar
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      Quote Originally Posted by blvd View Post
      This is a question regarding upgrading to an aftermarket HID kit: Is the DRL disable necessary or just recommended?
      https://forums.swedespeed.com/showthr...-poor-starting
      '05 S40 T5 AWD M66 sport/winter/ew. Michelin PS A/S+. 6000k 50w HID low/HIR1 high/full LED conversions. RiCA SW. Evoelate intake. IPD rear sway, skidplate, TCV.
      Writeups
      Full P1 (S40/V50/C30/C70) & P2 (S60/V70+R) LED conversion | P1 HID conversion & details | FM Modulators & interference | stalk cleaning | CEM Teardown

    26. #24
      Member theshadow27's Avatar
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      Quote Originally Posted by blvd View Post
      Thanks for the reply, but that is information overload for me. To narrow it down, what you you recommend in order to run this kit? http://www.theretrofitsource.com/hid...l#.U8qGcdm9LCT
      1) this is off topic - you should post your question in the thread I linked to. This thread is about using the OEM headlight assemblies.

      2) there is not an easy answer. you need to understand the risks and side effects of each solution, which means RTFT.

      That thread is actually broken down very simply. The information overload is in the original discussion.
      '05 S40 T5 AWD M66 sport/winter/ew. Michelin PS A/S+. 6000k 50w HID low/HIR1 high/full LED conversions. RiCA SW. Evoelate intake. IPD rear sway, skidplate, TCV.
      Writeups
      Full P1 (S40/V50/C30/C70) & P2 (S60/V70+R) LED conversion | P1 HID conversion & details | FM Modulators & interference | stalk cleaning | CEM Teardown

    27. #25
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      Sorry for the OT post, but this was the only working link in the sticky.

      Mods, feel free to delete.

    28. #26
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      Quote Originally Posted by theshadow27 View Post
      WARNING: This modification potentially caused WMM failure after around 2 years of operation, even with DRL disable, probably due to the lack of an auxiliary additional ground point. If you follow this procedure, you MUST add a ground point by tapping or cutting the brown ground wire (pin 4 on the connector) and physically screwing it to the chassis like this - which defeats the purpose of plug-and-play

      ---------- Original Post -------------

      If you have an 05-06 and want the new body style LED city lights, or have any year (05+) with halogens and want factory Bi-Xenons, this how-to describes how to drop in a pair of 07+ (facelift) bi-xenons. This applies to S40s and V50s, but I see no reason it shouldn't work on C30's and C70s (new) either. The process is extremely simple, though expensive, *almost* direct swap. A few drawbacks worth mentioning:
      - There are possible fitment issues using the 07+ lights in the 05-06 (pre-facelift) body? Need clarification here.
      - Will set you back $1600 if you get new units from the stealership
      - Road following and auto-leveling won't work. Yes, I've looked, no, there is no workaround
      - For direct swap with no additional parts, you MUST get DRLs disabled. If you are comfortable building a KBOWE and cracking open a headlight housing, there are much less expensive ways to retrofit bi-xenons

      That said, if you've got the cash (or the time to find used parts) and don't mind loosing your DRLs, like I promised this is a super simple process - 2 steps!! (well, four if you count getting the housings and installing them in the car). It is almost impossible to detect the modification and it does not prevent the lights from being re-installed in a car that came with OEM HIDs (i.e. you can sell them w/o having to undo anything).

      On to the guide!

      We are going to use a piece of wire to connect pins 4 and 10 inside the housing. You'll need a piece of wire 16 gauge or higher (i.e. 16, 14, 12AWG) about 8" (20cm) long. I used brown, to match the factory wires, but color really doesn't mater.

      Step 1 is to make the connection to pin 10, the low-beam ground. The best place to get this is the brown wire in the 4 pin connector that plugs into the factory ballast (the metal back cover). You can get at it by unclipping the back cover/ballast and pulling it away from the housing - no need to unplug anything. In the spirit of "super simple", I've used a 3M quick tap:



      But don't let that discourage you from doing it properly (cut brown wire, use butt connector).

      Step 2 is to connect your new wire to the high-beam ground (pin 4). The easiest place to make this connection is on the high-beam connector, which you can get at by removing the small twist-off circular cover on the top of the light assembly:



      I pulled the QD out from the plastic holder and crimped my wire on:



      Then re-installed it like so



      However if you have less patience than me you can use a 3-way butt (alright) or a quick-tap (worst).

      And that's it! Put the covers back on, pull your old headlights out, plug the new headlights in, and you've got a set of plug-and-play bi-xenons, with working turn signal, LED city light, side marker, and high beam flapper!



      Cheers to carreragt7 for letting me borrow his headlights

      Jacob
      Thanks for the writeup. An in principle question. Could the dealer fully retrofit Xenons into a Halogen car or would they have the same issues you discribed. If they could, any idea what that should cost? As an alternative, how challenging would it be to get EURO halogens with leveling motors fitted into a Halogen car and then just swap the halogen bulbs for some of the new LED aftermarket bulbs that are coming out?
      Cheers!
      Last edited by GermanicR; 08-13-2014 at 03:41 PM.

    29. #27
      Member theshadow27's Avatar
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      Quote Originally Posted by GermanicR View Post
      Thanks for the writeup. An in principle question. Could the dealer fully retrofit Xenons into a Halogen car or would they have the same issues you discribed. If they could, any idea what that should cost? As an alternative, how challenging would it be to get EURO halogens with leveling motors fitted into a Halogen car and then just swap the halogens for some of the new LED aftermarkets that are coming out?
      Cheers!
      I did ask the dealership about this before I started any of my HID projects.

      Basically, you are looking at least $5k in parts and at least that in labor.

      You would need to buy the following, at a minimum:
      - L&R headlight assembly (~$800 ea IIRC)
      - L&R GDL modules (~$450 ea IIRC)
      - Engine bay harness (~$600)
      - Leveling sensors, 4x (~$300 ea)
      - Rear vehicle harness (~$700)
      - CEM Reflash - they wouldn't even tell me how much this would cost, as they would have to do some shiesty work to convince Volvo to send them the correct software (it's normally tied to the VIN)
      and that's just the big stuff

      Then, they would basically have to rip out the entire car, replace all the harnesses, and put it back together. That's 40+ hours of labor. Not to mention there is no "everything harness replacement procedure" in VIDA, so it might take longer...

      For me, I was not willing to lay down $10k+ for HIDs (would have probably done $2k though, lol)

      Euro Halogens or Bi-Xenon, you still need the leveling sensors which requires the engine and rear/interior main harness.

      At the end of the day, impractical. Sucks
      '05 S40 T5 AWD M66 sport/winter/ew. Michelin PS A/S+. 6000k 50w HID low/HIR1 high/full LED conversions. RiCA SW. Evoelate intake. IPD rear sway, skidplate, TCV.
      Writeups
      Full P1 (S40/V50/C30/C70) & P2 (S60/V70+R) LED conversion | P1 HID conversion & details | FM Modulators & interference | stalk cleaning | CEM Teardown

    30. #28
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      Quote Originally Posted by theshadow27 View Post
      I did ask the dealership about this before I started any of my HID projects.

      Basically, you are looking at least $5k in parts and at least that in labor.

      You would need to buy the following, at a minimum:
      - L&R headlight assembly (~$800 ea IIRC)
      - L&R GDL modules (~$450 ea IIRC)
      - Engine bay harness (~$600)
      - Leveling sensors, 4x (~$300 ea)
      - Rear vehicle harness (~$700)
      - CEM Reflash - they wouldn't even tell me how much this would cost, as they would have to do some shiesty work to convince Volvo to send them the correct software (it's normally tied to the VIN)
      and that's just the big stuff

      Then, they would basically have to rip out the entire car, replace all the harnesses, and put it back together. That's 40+ hours of labor. Not to mention there is no "everything harness replacement procedure" in VIDA, so it might take longer...

      For me, I was not willing to lay down $10k+ for HIDs (would have probably done $2k though, lol)

      Euro Halogens or Bi-Xenon, you still need the leveling sensors which requires the engine and rear/interior main harness.

      At the end of the day, impractical. Sucks
      That sucks, so basically I made a mistake not buying a car with Xenons because I won't be able to take it back to the EU in a couple of years without a 10k retrofit.... damnation..... well that puts a crimp on my plans to make any major mods to the car if I can't drive it in the EU after we go home.... I miss the old days when I had my Jetta GLI... retrofitting the EU Xenons in those was super easy.....

    31. #29
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      A budget solution to get the OEM Bi-Xenon headlamps with D2S bulbs to AMP wired ballast.

      Follow the instructions and short the brown and black/purple wire and you will get full Bi-Xenon function at a much preferable cost.

    32. #30
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      anyone have part numbers for the oem assemblies and/or sources for USA and euro assemblies?
      also, is there a thread on this for P2 cars?
      thanks!

      answer some of my own questions with a lot of research.
      http://www.swedishautoparts.com/S40/...-&-lenses.html
      has some assemblies.
      30744679 driver's
      30744680 passenger

      but they are non-black bezel!
      Last edited by Oo.et.oO; 03-29-2015 at 01:50 AM.
      2010 V50 T5R-AWD automatic

    33. #31
      Junior Member alyn-acn's Avatar
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      Does anyone have the diagram of the headlamp connector for an 09' S40??
      I want to know what does each wire!
      Thanks!

    34. #32
      Member jondevieonS40's Avatar
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      Quote Originally Posted by theshadow27 View Post
      SwedeSpeed P1 (C30, S40, V50, C70) HID Retrofit Index
      1. SKBOWE Plug-and-Play harness for P1 HID conversion
      2. Background info, general questions, and share your HID setup
      3. KBOWE How-To (Original 2009 Version) build your own PWM filter
      4. Original 2009 investigation and technical discussion on S40 HID issues
      5. ForceFed’s E46 D2S Bi-Xenon Projector Retrofit guide
      6. Rewire OEM Bi-Xenon headlights to work on the halogen harness (you are here)
      7. DRL Disable Alone not enough for safe Aftermarket HID retrofits


      WARNING: This modification caused WMM failure after around 2 years of operation even with DRL disable - as we found out later DRL disable does not actually disable PWM - and the lack of an auxiliary additional ground point.

      If you are able to build your own mini KBOWE it is still possible to do this swap, but you MUST use a full 30,000uF+ capacitor PWM filter AND add a ground point by tapping or cutting the brown ground wire (pin 4 on the connector) and physically screwing it to the chassis like this - defeating the purpose of a plug-and-play If you put the KBOWE inside of the headlight housing (to keep it looking stock) the capacitors will run warm so get high quality 35V 105C 5000hr caps only! I'd be glad to help with it - just drop me a PM.

      That said, this is technically the only street legal (DOT approved) HID retrofit for P1 cars.






      ---------- Original Post -------------

      If you have an 05-06 and want the new body style LED city lights, or have any year (05+) with halogens and want factory Bi-Xenons, this how-to describes how to drop in a pair of 07+ (facelift) bi-xenons. This applies to S40s and V50s, but I see no reason it shouldn't work on C30's and C70s (new) either. The process is extremely simple, though expensive, *almost* direct swap. A few drawbacks worth mentioning:
      - There are possible fitment issues using the 07+ lights in the 05-06 (pre-facelift) body? Need clarification here.
      - Will set you back $1600 if you get new units from the stealership
      - Road following and auto-leveling won't work. Yes, I've looked, no, there is no workaround
      - For direct swap with no additional parts, you MUST get DRLs disabled. If you are comfortable building a KBOWE and cracking open a headlight housing, there are much less expensive ways to retrofit bi-xenons

      That said, if you've got the cash (or the time to find used parts) and don't mind loosing your DRLs, like I promised this is a super simple process - 2 steps!! (well, four if you count getting the housings and installing them in the car). It is almost impossible to detect the modification and it does not prevent the lights from being re-installed in a car that came with OEM HIDs (i.e. you can sell them w/o having to undo anything).

      On to the guide!

      We are going to use a piece of wire to connect pins 4 and 10 inside the housing. You'll need a piece of wire 16 gauge or higher (i.e. 16, 14, 12AWG) about 8" (20cm) long. I used brown, to match the factory wires, but color really doesn't mater.

      Step 1 is to make the connection to pin 10, the low-beam ground. The best place to get this is the brown wire in the 4 pin connector that plugs into the factory ballast (the metal back cover). You can get at it by unclipping the back cover/ballast and pulling it away from the housing - no need to unplug anything. In the spirit of "super simple", I've used a 3M quick tap:



      But don't let that discourage you from doing it properly (cut brown wire, use butt connector).

      Step 2 is to connect your new wire to the high-beam ground (pin 4). The easiest place to make this connection is on the high-beam connector, which you can get at by removing the small twist-off circular cover on the top of the light assembly:



      I pulled the QD out from the plastic holder and crimped my wire on:



      Then re-installed it like so



      However if you have less patience than me you can use a 3-way butt (alright) or a quick-tap (worst).

      And that's it! Put the covers back on, pull your old headlights out, plug the new headlights in, and you've got a set of plug-and-play bi-xenons, with working turn signal, LED city light, side marker, and high beam flapper!



      Cheers to carreragt7 for letting me borrow his headlights

      Jacob
      Do you know if i could take factory d2 HID from a pre-facelift and retrofit them into a post-facelift holegen housing? Is PMW still an issue even with your SKBOWE harnesses installed?
      [2005 Volvo S40 2.4i][2008 Volvo S40 T5 AWD][2008 Volvo C3 T5 2.0 RS Build][2009 Volvo V50 T5 AWD R-Design][1987 Buick Grand National] "embody God, then go crazy"

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