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-   -   Left bi-xenon headlight out. (https://xoutpost.com/bmw-sav-forums/x5-e53-forum/113303-left-bi-xenon-headlight-out.html)

Thatwhiteguy 06-02-2021 02:41 PM

Left bi-xenon headlight out.
 
Hello everyone. 2004 x5 3.0i. My left headlight is out and I’m having a tough time trying to pinpoint the problem. Since I’ve owned it (only a few months) I have not gone the headlight to work. I have troubleshot it the following ways:

*unhooked the battery a few times

*Switched the bulbs and ballast with the right HL. The left ballast and bulb work fine in the right.

* unplugged and plugged in the LCM. No luck.

*I looked for the alc module behind the glove box but I didn’t see it or a wiring harness for it. So I guess I don’t have one?

*looked at the wires inside the headlight but didn’t see anything concerning.

At this point I’m out of ideas. Any help would be great appreciated. Thanks

upallnight 06-02-2021 05:15 PM

Quote:

Originally Posted by Thatwhiteguy (Post 1204558)
Hello everyone. 2004 x5 3.0i. My left headlight is out and I’m having a tough time trying to pinpoint the problem. Since I’ve owned it (only a few months) I have not gone the headlight to work. I have troubleshot it the following ways:

*unhooked the battery a few times

*Switched the bulbs and ballast with the right HL. The left ballast and bulb work fine in the right.

* unplugged and plugged in the LCM. No luck.

*I looked for the alc module behind the glove box but I didn’t see it or a wiring harness for it. So I guess I don’t have one?

*looked at the wires inside the headlight but didn’t see anything concerning.

At this point I’m out of ideas. Any help would be great appreciated. Thanks

Check to see if you have power and ground at the connector?

Thatwhiteguy 06-02-2021 07:08 PM

Quote:

Originally Posted by upallnight (Post 1204561)
Check to see if you have power and ground at the connector?

Which connector? The one that connects to the ballast?

PropellerHead 06-02-2021 07:29 PM

Quote:

Originally Posted by Thatwhiteguy (Post 1204563)
Which connector? The one that connects to the ballast?

I had this problem after an accident that took out the left headlight. I had to go in using INPA (or one of those things) and tell the LCM that it had the lights that came with it. That one switch and the left headlight came to life instantly.

crystalworks 06-02-2021 07:57 PM

Do you have leveling and steering function optioned (S524 Adaptive Headlights)? If not, you won't have the ALC module.

Each headlight does also have a control module on it though (not the xenon ballast). I forget the nomenclature for it. But if it goes out you will lose that headlight. Had this happen to me due to water intrusion. I documented a workaround for it on the forums. I'll search it and link it below. But, the headlight modules are not expensive and do not require coding other than an initialization. I used INPA to do it as PropellerHead did.

https://xoutpost.com/bmw-sav-forums/...questions.html

Thatwhiteguy 06-02-2021 09:09 PM

@ PropellerHead and crystal works: so I have a laptop with inpa on it. I have the kcan cable too. I’m not sure which way the switch should be in though. Any chance you guys can walk me through it to initialization it? I’m very née to coding and so is my friend who owns the laptop. Thanks

upallnight 06-03-2021 03:12 PM

Quote:

Originally Posted by Thatwhiteguy (Post 1204563)
Which connector? The one that connects to the ballast?

The connector that supplies power to the ballast, since you already stated that the ballast works fine when you switch it with the other side.

crystalworks 06-03-2021 03:44 PM

Do your headlights have one of these underneath?

https://i.ebayimg.com/images/g/EjAAA...CE/s-l1600.jpg

Thatwhiteguy 06-03-2021 04:03 PM

Quote:

Originally Posted by upallnight (Post 1204611)
The connector that supplies power to the ballast, since you already stated that the ballast works fine when you switch it with the other side.

I will test it.

Thatwhiteguy 06-03-2021 04:07 PM

[QUOTE=crystalworks;1204615]Do your headlights have one of these underneath?



Yes I believe I do. Mine has a yellow label on one side. It says “5dv 008 29***” 2683010450”. Other part says it’s made in Germany by hella


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