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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Cosmetic and Lighting Modifications (exterior/interior) > Halogen to Xenon Conversion Wiring *ERRORLESS* - Phase 1



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      05-23-2008, 12:28 AM   #45
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Quote:
Originally Posted by tinobw View Post
apologized!!!! MTEC HID KIT, not Mtech!
thats what I figured for phase 2. It needs something to tell the computer its 55w. With "HID kit" use the relay module to make the computer read 55w.
You don't need a relay. All you need is a resistor to load the circuit so your drawing 55W.
For HID fogs you will. When I have phase 2 done, I shall post results.
So far still error-less, after driving 30 seconds.
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      05-23-2008, 12:49 AM   #46
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Quote:
Originally Posted by Excellence View Post
You don't need a relay. All you need is a resistor to load the circuit so your drawing 55W.
For HID fogs you will. When I have phase 2 done, I shall post results.
So far still error-less, after driving 30 seconds.
The relay module is included in The MTEC HID Kit, thats the key to error free (http://www.e90post.com/forums/showth...=84882&page=11). For the conversion using OEM xenon, resistor needed, as you said to load the circuit so your drawing 55W.
Thank you for the great DIY
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      05-23-2008, 12:55 AM   #47
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Quote:
Originally Posted by tinobw View Post
The relay module is included in The MTEC HID Kit, thats the key to error free (http://www.e90post.com/forums/showth...=84882&page=11). For the conversion using OEM xenon, resistor needed, as you said to load the circuit so your drawing 55W.
Thank you for the great DIY
does the relay module that comes with the MTEC HID KIT get really hot like the resistors ?? are they easy to connect and install right from the box ?
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      05-23-2008, 01:33 AM   #48
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Tinobw & jaespark87 can you please talk over PM messages, I want to keep this thread nice and short so other users can read/accesses the information without having to go through many pages.

Updated with Bi-Xenon information.

If you add the shutter wire, you will have bi-xenon, meaning you will have 2 stages of brightness. Regular low-beam xenons, and high-beam xenons. If you do choose bi-xenon you will have the choice to have low-beam and high-beam xenons and regular high-beams together.

If you do not choose to do this mod, you will have regular high-beams(h7) and just low-beam xenons.

This will not cause an error.
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      05-23-2008, 02:47 AM   #49
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I have the Parachute fix and couldn't be happier with it, completely errorless. My biggest gripe right now is the humming you get from the xenons until you flash the high beams. Can anybody confirm that if I remove the Bi-Xenon Shutter wire (which according to Excellence is errorless) that the buzzing will stop?
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      05-23-2008, 11:21 AM   #50
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Quote:
Originally Posted by Desi View Post
I have the Parachute fix and couldn't be happier with it, completely errorless. My biggest gripe right now is the humming you get from the xenons until you flash the high beams. Can anybody confirm that if I remove the Bi-Xenon Shutter wire (which according to Excellence is errorless) that the buzzing will stop?
Yes you can remove the shutter wire. That will not cause an error, and the loud motor noise, which comes from the shutter unit itself. For sure the Parachute kit is nice, however I am trying to create a solution without having it.
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      05-23-2008, 01:22 PM   #51
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Quote:
Originally Posted by Desi View Post
I have the Parachute fix and couldn't be happier with it, completely errorless. My biggest gripe right now is the humming you get from the xenons until you flash the high beams. Can anybody confirm that if I remove the Bi-Xenon Shutter wire (which according to Excellence is errorless) that the buzzing will stop?
Desi,
I believe that you have your DRLs on and that is causing the buzzing noise, see if you can deactivate your DRLs.
Also I may try to remove that shutter wire if that's what causes the buzzing when I turn on my DRLs. Thanks for the input Excellence
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      05-23-2008, 01:32 PM   #52
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Quote:
Originally Posted by Excellence View Post
If thats the case, then thats good to know.
However, I am aiming to use D1S and OEM Ballast to make it errorless.

The only reason why the car errors at the beginning is because that the Xenon draws only 35W, where the halogen bulbs drew 55W. The computer is programed to be 55W, so if there is only 35W drawing, the computer will think a bulb has burnt.

Phase 2 will include, 2 resistors that will be used as a load to balance the system back to 55W, thus giving an completely ERRORLESS Halogen to Xenon swap.
hey man, go ahead and try this, but I tried it back in my day and it's not what you think. once you get resistors to balance the load you still get the error because the footwell module reads something else than just current.

hope it helps, that's why out of all my old experiments the harness I make is the only solution so far, I've tried these things before.

My harness seems to be a great solution for 323 owners in canada since they are able to add fog lights to their car too at the same time
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      05-23-2008, 01:35 PM   #53
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nice writeup!
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      05-23-2008, 01:42 PM   #54
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Quote:
Originally Posted by Excellence View Post
Tinobw & jaespark87 can you please talk over PM messages, I want to keep this thread nice and short so other users can read/accesses the information without having to go through many pages.

Updated with Bi-Xenon information.

If you add the shutter wire, you will have bi-xenon, meaning you will have 2 stages of brightness. Regular low-beam xenons, and high-beam xenons. If you do choose bi-xenon you will have the choice to have low-beam and high-beam xenons and regular high-beams together.

If you do not choose to do this mod, you will have regular high-beams(h7) and just low-beam xenons.

This will not cause an error.
I only have the H7 high-beam and Xenon low-beam although I did the shutter wire. Maybe it's something I did wrong, I'm not sure.
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      05-23-2008, 02:34 PM   #55
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Quote:
Originally Posted by parachute View Post
Desi,
I believe that you have your DRLs on and that is causing the buzzing noise, see if you can deactivate your DRLs.
Also I may try to remove that shutter wire if that's what causes the buzzing when I turn on my DRLs. Thanks for the input Excellence
In Canada you cannot remove DRL.
The reason why there is a sound, is because the DRL is on low power. Meaning its only at 6v, instead of 12v. Since your shutter wire is tapped to your high beam(h7)(DRL), your shutter does not have enough voltage to stay locked in place, causing it to go in and out making noise. However once you flash your high-beams, it stays locked and it remains in place. The reason why is that for it to remain locked in place it only needs that little jump to 12v. It will stay locked as long as you have 6v going to it.

Quote:
Originally Posted by parachute View Post
hey man, go ahead and try this, but I tried it back in my day and it's not what you think. once you get resistors to balance the load you still get the error because the footwell module reads something else than just current.

hope it helps, that's why out of all my old experiments the harness I make is the only solution so far, I've tried these things before.

My harness seems to be a great solution for 323 owners in canada since they are able to add fog lights to their car too at the same time
I am pretty confident that the resistor will work. XenonDEPOT and many other HID companies have made these types of harnesses before. They are all using resistors to eliminate flickering and CANBUS errors. Your harness works by using the foglight load in-order to balance out the system, however it looks to me that you only have 1 foglight plug on your harness. I am confident that your harness is NOT the ONLY solution.

And please don't be so defensive, I am not trying to put your harness down by any means. I just want to see if there are alternative ways.

Quote:
Originally Posted by a l l a n View Post
I only have the H7 high-beam and Xenon low-beam although I did the shutter wire. Maybe it's something I did wrong, I'm not sure.
When you flash your high beams, do you hear a "crank sound"? Thats the sound when your shutter goes up and down.
If it's not working, then the shutter plug inside your headlight might have not be connected to the shutter unit.

Quote:
Originally Posted by SES_D View Post
nice writeup!
Thanks SESD!

Last edited by Excellence; 05-27-2008 at 11:11 PM.
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      05-23-2008, 06:25 PM   #56
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Quote:
Originally Posted by parachute View Post

hope it helps, that's why out of all my old experiments the harness I make is the only solution so far, I've tried these things before.
AMEN to that statement!!
several of us have tried using resistors etc!!
Were not trying to knock you excellence but your coming on the game almost a year and half later after several of us have tried several alternatives to make it errorless. IE.. swapped footwell modules, added resistors etc etc...
Seems to be the only way to go errorless is by going NON OEM or by using parachute box!!
Ill be pretty surprised if you figure some other way out!!
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      06-17-2008, 03:55 PM   #57
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Due to some problems on my car, not related to my headlight. I had to bring the car to the dealer and fix. The project will begin after I am done moving.
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      10-01-2008, 05:26 PM   #58
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no news here? did it went wrong?
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      10-01-2008, 10:03 PM   #59
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no news here? did it went wrong?
LOL,, Dont me to be an ass but ahhhh "I TOLD U SO"

Ill guarantee trying to mess with the resisters he fried his footwell module and thats why he took it to the dealer!! LIke i said in the above post Weve tried all this stuff weve been there done that Ur jumping on the bandwagon a year and half later! But GOOD LUCK!!
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      10-01-2008, 10:13 PM   #60
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Great job Excellence.
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      10-01-2008, 11:09 PM   #61
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Great job Excellence.
He didnt solve anything!!
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      11-08-2008, 03:01 AM   #62
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Errorless with Aftermarket Kit?

Hi, I have been reading on this site for a quite a few days now and thought i'd join now and see if anyone can help me out.

I was wondering if I left in the standard halogen headlights and did the wiring like mentioned in the post would this work for a virtually error-less conversion on an aftermarket kit?

Also does anyone know if the link provided in the other posts:
http://www.bmwfaq.com/f67/brico-xeno...-fotos-241076/

provides an errorless conversion or does it simply get rid of the flickering? That would be using both the capacitors, the 4700uF and the 10,000uF (35v).

Thanks for your help everyone and will sure to keep reading on this forum. Great forum and by the sounds of it lots of great knowledge coming from the members.
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      11-09-2008, 09:46 AM   #63
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Great walktrough!
Wheres the video lol
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      01-28-2009, 12:05 PM   #64
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so who wants to do this mod on my headlights

im scare to mess them up
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      02-02-2009, 08:37 PM   #65
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any update on phase 2?

just to share, my error disappear in 30 sec a month ago, but now, its here forever.
any idea?
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      09-14-2010, 02:18 PM   #66
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Warning Problem resolved

As i read posts in this forum, i read and this for convert an E90 with Halogen to Xenon Headlights.
I read for a problem with the warning message of ECU.
As i see the last post was before about 1.5 year, and i don't know if this problem resolved, if not, a cheap solution (about 20.00USD) is to install a warning canceller between the OEM ballast and the cable who's going to ballast. Not to cable between Ballast and D1S Xenon lamp.
In the future i'll post some photo's from my BMW's Headlights.
With the solution there isn't a warning message or flickering etc.
It's very easy and much cheaper from buing a custom harness, you can find a Warning canceller in Ebay. I've make my convertion before 2 years and till now i don't have any problem.
Sorry for my english.
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