Quote:
Originally Posted by nigwhyrito
So its just a coincidence I took my X to get a state inspection done and they call me back saying my tie rod on the right side is broke or loose.
I heard a weird noise on the right side so they fix that. The next day I'm driving my X and I notice its getting dark but my green light on auto lights not working. So I switch to parking lamps which due to coding is just my angel eyes. I then switch to normal lolowbeams and it appears they both on now. I switch back to auto and they wont come on till I engage the fogs.
I get out I do a light test high beams work, fogs work low beams come on ad then when switched off the left side wont come back on in the auto position. What else do I test. I have HIDs as that what I says under the hood. I also have the lights that turn with the wheels. Who you guys go through for H7 lowbeams or that is not going to fix my problem?
They are factory lamps currently so they are at about 10 years old.
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If its not a bulb issue (you can check by swapping to the other side that always works...then it could be an issue with the "automatic" feature or the signs of a failing ballast.
The automatic feature uses a component called the ALC module. You can do a google search for BMW models that have adaptive headlights (like you've mentioned you have)...and "ALC"...and read through those threads to see if you have the same symptoms.
Good luck.
#1 in the diagram below is the HID control module
#5 in the diagram below is the ALC module