Thank you so much for tackling this project! I got the switch and will be tackling it soon. Any recommendations on SW and HW to do the coding?
I've been watching this thread with a lot of interest. I find it insulting that BMW thinks we can't be trusted with such a basic feature...
I've had my M550i for about a year and already had multiple situations where rear fogs should've been on
Sadly, I also had to do this to my MK3 Golf a long time ago.
I had a quick look at the wiring diagram: the missing wire comes all the way from the A258 body domain controller at the right A pillar!? Oh boy...