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      06-24-2020, 12:04 PM   #1
LJohnson32
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LED DRL Yellowing?

Lately I've been noticing on my driver's side headlight that the outer DRL has a more yellow color to it on the left half when looking at the light.

Has anyone else experienced this? Is it something to do with the diode itself or the DRL module? Any advice would be appreciated



Thanks!
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      06-25-2020, 05:27 AM   #2
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I can see what your saying the color temp is different say from 5000k down to 3500k , Never noticed it on mine , but I never really examined it , I will check it out to see.
I have my car coded Via Carly mod I think I bumped up the brightness on my DRLs , Iím not sure if that can help your problem , maybe pull the negative off your battery for 10mins to help reset the modules , donít forget if you pull the neg off the batt you will have to reset the time manually to get it back to normal the on screen computer will let you know
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      06-25-2020, 10:08 AM   #3
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Quote:
Originally Posted by Whipple View Post
I can see what your saying the color temp is different say from 5000k down to 3500k , Never noticed it on mine , but I never really examined it , I will check it out to see.
I have my car coded Via Carly mod I think I bumped up the brightness on my DRLs , I’m not sure if that can help your problem , maybe pull the negative off your battery for 10mins to help reset the modules , don’t forget if you pull the neg off the batt you will have to reset the time manually to get it back to normal the on screen computer will let you know
Thanks for the reply -- would disconnecting the negative terminal reset all of the modules within the car? I ask because I've coded various items via BimmerCode in Expert Mode and don't want them to all reset back to the factory settings. I'm almost wondering if popping the headlight out and disconnecting it that way would do the same trick? Understanding that it may take more time to do that method, but would save me the headache of trying to remember what I coded and how to get there.

On the DRL brightness note, I would like to bump them up but for some reason when I try to access the 'Front Light Electronics Right' module, it's unable to read the module whereas the 'Front Light Electronics Left' module is read just fine. Because I can't adjust the right side module to match the adjustable left side, I've left it how it is. If you have any insight as to why this may be happening, I would appreciate that also.

Let me know if you find out anything on your car. I'm sure the DRL's are the same across pre-LCI and LCI cars
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      06-30-2020, 11:38 AM   #4
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Bump to see if anyone else has some advice

Car will be in getting a front respray and XPEL film in 2 weeks so the headlights will be most accessible with the front bumper and hood and fenders already off. I'd like to take advantage of this time to troubleshoot this issue.

I'm thinking that the problem lies within the DRL module in the headlight, whether its as simple as re-seating the connector (doubtful) or putting in a new module (~$125). If a new module is put in, does it need to go to BMW to be coded to the car or is it plug and play?

Any help or guidance is appreciated!
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      07-01-2020, 03:27 PM   #5
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I'm not 100% sure but from my experience LED's tend to change colors prior to dying out. I've had this issue on 3 of my Mercedes S550 door handles which coincidently wasn't covered under their CPO warranty... I would sent Vito a message from ZWorks to see if he has any prior experience with this.
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      07-02-2020, 12:20 PM   #6
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I'm not 100% sure but from my experience LED's tend to change colors prior to dying out. I've had this issue on 3 of my Mercedes S550 door handles which coincidently wasn't covered under their CPO warranty... I would sent Vito a message from ZWorks to see if he has any prior experience with this.
Sounds good! I'll shoot him a message today
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      07-09-2020, 08:40 AM   #7
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Quote:
Originally Posted by LJohnson32 View Post
Bump to see if anyone else has some advice

Car will be in getting a front respray and XPEL film in 2 weeks so the headlights will be most accessible with the front bumper and hood and fenders already off. I'd like to take advantage of this time to troubleshoot this issue.

I'm thinking that the problem lies within the DRL module in the headlight, whether its as simple as re-seating the connector (doubtful) or putting in a new module (~$125). If a new module is put in, does it need to go to BMW to be coded to the car or is it plug and play?

Any help or guidance is appreciated!
I am now preparing the LCI headlight retrofit.
Angel Eye's LED module is plug and play.
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      07-09-2020, 02:36 PM   #8
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Quote:
Originally Posted by maron View Post
I am now preparing the LCI headlight retrofit.
Angel Eye's LED module is plug and play.
Do you know if the Angel Eye's LED module might have anything to do with this yellowing or is it simply the LED itself dying?
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      07-09-2020, 09:56 PM   #9
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It is the deterioration of the LEDs
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      07-10-2020, 03:13 AM   #10
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The angel eye has LEDs on the inside and outside.
The LED module of Angel Eye can be replaced without removing the headlight.

https://www.newtis.info/tisv2/a/en/f...ght/1VnYXtcbo5
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      07-10-2020, 10:32 AM   #11
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Quote:
Originally Posted by maron View Post



The angel eye has LEDs on the inside and outside.
The LED module of Angel Eye can be replaced without removing the headlight.

https://www.newtis.info/tisv2/a/en/f...ght/1VnYXtcbo5
Thanks for the info, didn't know this could be easily done without removing the headlight. Question is, is replacing the LED DRL module necessary if the root cause is a dying LED within the angel eye itself? Admittedly I have no clue what's going on when it comes to headlight architecture and what's related or not in terms of function
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      07-10-2020, 07:58 PM   #12
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Quote:
Originally Posted by LJohnson32 View Post
Thanks for the info, didn't know this could be easily done without removing the headlight. Question is, is replacing the LED DRL module necessary if the root cause is a dying LED within the angel eye itself? Admittedly I have no clue what's going on when it comes to headlight architecture and what's related or not in terms of function
I checked mine last night they all look the same color
Lol pics went sideways doing it from my phone sorry ��
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      07-10-2020, 09:35 PM   #13
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The cause is deterioration of LEDs.

Replace LED module
Or
Change LED chips
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      07-10-2020, 09:40 PM   #14
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The angel eye has independent LEDs on the inside and outside.
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      07-10-2020, 10:47 PM   #15
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Quote:
Originally Posted by maron View Post
The angel eye has independent LEDs on the inside and outside.
Do you have part number(s) for the drivers side headlight? The LED's circled in the photos are the diodes for the angel eyes? Just trying to wrap my head around this and understand what needs to take place to solve my issue
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      07-10-2020, 11:24 PM   #16
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https://www.realoem.com/bmw/ja/showp...diagId=63_1663

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      07-11-2020, 12:54 AM   #17
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I just noticed in a picture I just took recently that driver side was a little off, I hope it was just the picture. I haven't noticed it in person, but I haven't gotten the chance to really examine them either. They have been running at 100% at all times since I got BimmerCode a few months ago...hope that isn't the cause.
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      07-11-2020, 06:51 AM   #18
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Setting the DRL to 100% by coding will shorten the LEDs life.
Unfortunately the pre LCI headlights require disassembling the light.
Or replace the headlight unit…
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MMMM6GC105.00

      07-14-2020, 01:28 AM   #19
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I received the DRL_LED module
It's plug and play.
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      07-14-2020, 09:14 AM   #20
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Quote:
Originally Posted by maron View Post
I received the DRL_LED module
It's plug and play.
This is what I was hoping for — thank you!
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      08-08-2020, 12:02 AM   #21
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Great info, maron, as the outside driver's-side LED on mine (2016) has yellowed. If changing this simple module, while the light is still installed no less, is all there is to it, then it will be done asap. It's making my OCD go through the roof.
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      08-08-2020, 09:43 AM   #22
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Quote:
Originally Posted by Minacious View Post
Great info, maron, as the outside driver's-side LED on mine (2016) has yellowed. If changing this simple module, while the light is still installed no less, is all there is to it, then it will be done asap. It's making my OCD go through the roof.
The cause of yellow may not be the LED.
Once you remove the LED module, you should check the status of the LED.
It may also be due to the fiber.
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