It bothered me there was no bestlinks thread for a bad cigarette lighter, so I did a quick search for E39 cigarette lighter to start one.
That link is perfect for the cigarette lighter (which is the OP's problem).Here's the link with the fuses
Well, a quick /trim(F3) in the bestlinks finds these ready and waiting for the OP when needed:We may need to have the links for console disassembly at the ready if the OP does indeed discover his problem lies with lighter socket
The link that worked best for me was fudman's. Thanks fud!!