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Discussion Starter #1 (Edited)
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.


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---------- 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
 

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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.
 

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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!!
 

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Discussion Starter #4
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.

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.... :eek:
 

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Discussion Starter #5

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Thanks Jacob! I'm excited to get them and try them out!
 

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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 :p
 

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Now I'm on eBay looking for a set myself.... :eek:
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.
 

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Discussion Starter #9
If you want, I can drive over and you can take my bi-xenons apart for research, just put it all back together :p
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. :)

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 :p PMs away...
 

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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.
 

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Discussion Starter #11
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 ;)

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.

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.
 

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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!
 

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Discussion Starter #13
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.
 

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Stickied. Thanks!
 

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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?
 

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Discussion Starter #16
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 :facepalm:

Please read the OP which explains the necessary modifications.
 

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Another drawback... you need an extension cord to power them ;). What's with the wire?
 

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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.
 

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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???
 
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