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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 06-15-2011, 12:46 PM   #1
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LED Tails & Tail Light Indicator - Yet Again

Alright, I know this dead horse has been beaten over and over, but searching, I can't find the solution to what I have.

I installed LED tails from a post-facelift sedan onto my pre-facelift sedan.
These tails came with the resistor boxes.
I also got my hands on the pre-face cables, so there is no problem with the different connector.

The tail light indicator is not consistent. It will be on about 75% of the time, but will randomly turn off intermittently. And then later come back on, usually when I get on the brakes.

The only solution I found (since I have the resistor boxes) is to re-flash the control unit, but have heard that this only works about 1/3 of the time.

Any ideas, anybody? Thanks in advance!
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Old 06-15-2011, 02:39 PM   #2
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Facelifted LED tails should not fit into the pre-facelifted sockets. They are different connectors as far as I can remember. I've never heard or read, aftermarket sedan LED taillight offerings with different connectors for facelifted/ pre-facelifted. It is either/or during the time of purchase.

solution is to buy the correct LED tail lights for your car. it will save the aggravation on trying to "re-wire" things. also, tail lights is a safety thing so I wouldn't look for a bastardized solution.
Albert Einstein once said - Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.

Last edited by darkmanlfe; 06-15-2011 at 02:40 PM.
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