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09-25-2013, 08:07 AM | #1 |
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High Beams Flickering
I am having issues with my the high beams on my 07 coupe flickering. The low beams work fine, but when I try and activate the high beams, they will usually flash and then not work at all. Sometimes if you leave the switch on for a long time they may flash every now and then.
Both sides either work or they don't, and when they flash on they both come on basically at the same time. Again, my low beams work fine. I have been living with this issue for a few months now, however I have the front bumper off the car right now to get repainted, so I figure now is the time to get this issue fixed! BTW, if anyone is thinking about getting your bumper repainted, it's really easy to take off yourself. My shop quoted me 2.5 hours to R/R the bumper, and it took me less than 1 hour to remove the bumper, and you don't even have to jack the car up!
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09-25-2013, 11:02 AM | #2 |
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If this was just hapening on one side I would say the bulb on that side was nearing the end of its service life. But as it is happening on both sides, it sounds like its something with the common system powering both bulbs.
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09-25-2013, 11:08 AM | #3 |
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It takes me like 5 minutes to remove he bumper, then again all that's holding it on are the bolts under the hood and the clips by the lights
Do the post facelift xenons work differently? Aren't the highbeams just a shutter that raises up to expose more light?
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09-25-2013, 12:32 PM | #4 |
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That would make sense if they were just a shutter. Judging by how it appears when you flash the brights, it doesn't appear that a different bulb turns on.. I never would have thought about that though, thanks for the input!
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09-25-2013, 12:51 PM | #5 |
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Shutter are how all bixenon headlamps work.
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04-23-2014, 01:36 PM | #6 |
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I know this is an older thread but did you ever figure out what was wrong? I have the same problem. Sometimes the shutter would stay open for minutes, other times just seconds, and sometimes they would start to open then just close again. It seemed that the longer the car ran the worse it got.
After playing around I find that if I put the stalk forward to turn the high beams on when I turn the car off and leave the lights to auto, when I start the car up and the lights do their start up sequence they go to high beams and then operate normally (at least for a while). No idea what is wrong.
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04-23-2014, 02:12 PM | #7 | |
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Would like input too!
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04-28-2014, 10:27 AM | #8 | ||
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So I decided to try using Just answer for this.
http://www.justanswer.com/bmw/8euq0-...ln=b1_viewr_bu Quote:
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I decided to disconnect the battery. As the battery was disconnected I decided to take out the light control module out of the dash to look at it. With it out of the dash I took some compressed air and blew out the module. I reinstalled it and the GF showed up. So the next morning I reconnected the battery. So far I have not had an issue with the lights. I went for a 30 min and 45 min drive and through both of the drives the lights worked correctly through the entire drives. I also left the car running in the driveway with the lights on high beams for an hour and they remained on.
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08-17-2015, 04:08 PM | #9 | |
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Thanks.
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08-18-2015, 11:29 AM | #10 |
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No. It lasted a few weeks then returned back to the flickering. The LCM needs to be replaced.
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08-18-2015, 11:33 AM | #11 |
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08-18-2015, 11:38 AM | #12 |
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I have not replaced it yet. I drive the car mainly in the summer and it really does not get dark here until late so I never use the highbeams. A new one is $330 on ECS website plus you have to get it programmed.
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08-18-2015, 11:42 AM | #13 |
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Ah I see. The main reason for me is in addition to the flickering, sometimes one of my head lights dont work, i turn it off and back one and now the working one doesnt work and the one that wasnt working starts working... Do it a few more times and either both will end up turning on or both are off. Gets scary trying to get both on but only to have both go off on the freeway. By any chance have you experienced this? The headlight error lights up on the dash. Also any idea how much the programming will cost?
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08-18-2015, 11:47 AM | #14 |
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Sounds like it is the LCM. I have not had that happen. Have you tried resetting it by disconnecting the battery for an hour? Your best bet is to take it to an independent shop and have the codes read. They will be able to tell you what is wrong. Depending on what is required the indy shop by me said 0.5 - 1 hour for programming.
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08-18-2015, 12:00 PM | #15 | |
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08-18-2015, 12:02 PM | #16 |
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If that is the case did you ever charge the battery fully? A faulty or battery not charged enough will do some of the things you are describing. Note that the car will not charge the battery. The alternator only maintains it. I would disconnect the battery, charge it not hooked up to the car overnight on a trickle charge and then hook the battery up the next day and see what happens.
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08-18-2015, 12:06 PM | #17 | |
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08-25-2015, 01:18 PM | #18 |
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I had the same problem with my high beams flickering and not staying on. I opened the headlight access panel in the front wheel well and cleaned the light connections. They were corroded. Cleaned them up and now everything works great.
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