<<I went to wire the unused rear fog lights in my '82 240D/3.0 as extra brake lights and found that there are no sockets there.
Does anyone have a couple of extra brake light sockets for a W123?>> You should be able to find what you want at any german car graveyard since the sockets are fairly generic. I added the extra lights to my 116, 123, and both 201s that way. In the 202 and 203 I converted the rear fog positions to brake lights since the sockets were already there. RLE