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  #11  
Old 06-03-2021, 04:12 PM
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Originally Posted by crystalworks View Post
Do your headlights have one of these underneath?

Here is what I have:

https://www.ebay.com/itm/OEM-04-06-B....m46890.l49286

How do I get it out?
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  #12  
Old 06-03-2021, 04:14 PM
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That's what failed on mine due to water intrusion. Controls the ALC functions in the headlights. When it failed, the LCM disabled power to the Xenon lights on the LHS. Needed to use the workaround to get power back at the LHS headlight. I replaced the module a long time ago but never "reinitialized" or whatever procedure in INPA until much later. I did not have adaptive lighting functionality work again until after doing that reset or initialization.

Wish I had more specific info for you on the procedure but my E53 is stuck outside while I finish a trans replacement on our E70 diesel. Otherwise I'd plug in the power supply and fire up INPA to have a look.

Edit: Swap those modules from one headlight to the other and make sure they are both still good. If you see any corrosion on the connector... DON'T swap it and assume it's fried. Cheap to replace. I think I bought 2 for $40.
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  #13  
Old 06-03-2021, 04:18 PM
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Quote:
Originally Posted by crystalworks View Post
That's what failed on mine due to water intrusion. Controls the ALC functions in the headlights. When it failed, the LCM disabled power to the Xenon lights on the LHS. Needed to use the workaround to get power back at the LHS headlight. I replaced the module a long time ago but never "reinitialized" or whatever procedure in INPA until much later. I did not have adaptive lighting functionality work again until after doing that reset or initialization.

Wish I had more specific info for you on the procedure but my E53 is stuck outside while I finish a trans replacement on our E70 diesel. Otherwise I'd plug in the power supply and fire up INPA to have a look.

Edit: Swap those modules from one headlight to the other and make sure they are both still good. If you see any corrosion on the connector... DON'T swap it and assume it's fried. Cheap to replace. I think I bought 2 for $40.

So if it is the problem and I get a new one and put it in, will I still have to use INPA? And how do you get it out? Thanks
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  #14  
Old 06-23-2021, 07:09 PM
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Did you fix your light issue?



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  #15  
Old 06-24-2021, 08:22 AM
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Originally Posted by plasstik View Post
Did you fix your light issue?



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Not yet. A friend is coming with his coding laptop this week or next. If thatís not it then the only solution is to replace the ballast under the headlight. I will definitely update when I get it solved
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  #16  
Old 09-09-2021, 08:56 AM
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Originally Posted by plasstik View Post
Did you fix your light issue?



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It turned out to be the ballast under the headlight. However the light only worked for a day so I think it might be something else.
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