Originally Posted by Ceeker
Very common problem with e46; my buddy did a tonne of these when they were rampant. Apparently it is the circuitry in the tail light panel that shorts and the bulbs stop working properly. new backing is required and also a repair.
It has an over heating issue.
My E46 front corners melted last summer, had to replace with new sockets and lense assembly. Sounds similar but my issue was front corner only so far.