I am going to replace the interior lights on my 560 SEL. The dash lights I have pretty much what I need figured out. 194 lamps, which I have a box of.

But I can not find what it needed for switches and such. I know some are built-in, which I would like to replace if at all possible, but then a few run on fiber optic. Is there only one fiber optic feeder light or are there more? I only found one for a few of the accessory stuff like rear defrost, air circ, etc.

Any help would be great!

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1991 560 SEL / 185k miles
1992 750il / 17k miles - project car