Check rear lights warning on 2000 BMW 540i

I get a "check rear lights" message and my battery is being drained. I find no lamps that need to be replaced. Any ideas where to start looking?

by in Sachse, TX on November 27, 2009
3 answers
ANSWER by on December 10, 2009
If this message comes on and all lights are ok, check the license plate illumination lights. If they are out replace whichever is out and also look at the trunk lid rubber conduit that all wires pass through. Wires there tend to "strecht and pull" everytime the trunk is open and close and will break. My drove me crazy until I noticed the plate light was out and looked into it.
ANSWER by on December 14, 2009
Very likely the wires going through the trunk hinge, I had the same problem.
ANSWER by on January 08, 2011
Don't forget to check the center brake light which sits in the rear dash. Access is through the roof of the trunk.

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