Hey all.
First of all: no, I'm not colorblind.

I've purchased another 318is this weekend. An amazing example with only 75000km on the clock. The car is black but when I brought it home and parked it beside my diamantschwarz, it looked noticeably different. So I popped the hood and looked at the plaque on the cathedral and it says: "BMW - Sonderlack".
After muttering "WTF", I googled the term and it appears that it stands for "special lacquer". So I gather that the original owner ordered it with a non-standard color. Frankly, it looks like BMWs Jet Black to me, but I want the official word.
Any ideas how I would go about finding this out? The documentation that came with the car has no mention of it.
-ez