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09-07-2014, 08:30 AM | #1 |
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headlight issues
Adaptive headlight stopped working, droopy eye.
Bought new headlight. During install, notice ballast is very corroded on electrical connection. New light installed, no error codes except for a ! Now. Do you guys think it's the ballast on bottom of headlight, or does it need to be coded? |
09-09-2014, 11:31 AM | #2 |
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Questions:
1. Has anyone on this forum ever had an active headlight error, replaced the headlight, then had it work perfectly after without coding? Has anyone on this forum ever had a headlight not work without an active headlight error, and replaced the ballast? |
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09-11-2014, 05:47 AM | #4 | |
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Quote:
If it is where it gets 12v from car i recommend unplugging ballast entirely, turn on low beams and measure to see if you are getting 12v into the ballast. If you are getting 12v into where the ballast is supposed to plug in then i recommend replacing ballast. You can buy for a much less inexpensive price at theretrofitsource.com If you arent getting 12v then i recommend looking at the footwell module. Get footwell module replaced and coded. Do research on footwell module cuz i dont know that much on it lol
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09-11-2014, 08:26 AM | #5 | ||
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Quote:
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There have been many people that have replaced the ballast only and have it work perfectly. |
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09-11-2014, 03:02 PM | #6 |
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Thanks guys,
It is the metal control module in the bottom of the headlight held on with those two screws. I ordered a new one, replacing it this weekend. Hopefully that works. |
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09-13-2014, 09:42 AM | #7 |
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Replaced ballast. Light still does not work. The passenger side one works though. So that rules out footwell module right?
If I replaced headlight and it needed coding....would only the angel eyes work and not the hid headlight? |
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10-09-2014, 12:42 PM | #8 |
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Somewhat related post ...
I have had one adaptive headlight malfunction warning light pop up on my 2011 135i. At the time of the event, I was driving the car hard at dusk (read: lapping). The malfunction light went away after I turned the engine off/on. Car is still under warranty. My dealership could not locate any DIAG errors or reproduce the issue, probably due to the fact that my Cobb PTF tune erases and clears the DTC's after any map changes or complete Cobb AP3 software removal from DME. Any thoughts on the cause? Would vibration or hitting a large bump cause a warning light to pop on just like that?
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10-09-2014, 01:10 PM | #9 | |
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