Ok. Well, I guess nobody currently on AGO does this. So, I got off my but and found a local guy who will do this work. I will use this thread to document. I have no idea if the guy is good or not - but via a phone conversation he seems to know what he is talking about. Will post more about this and before and after when he does the work.
Place is called Seatfixerz
I'm having them fix the wear on the bolster on my BMW. I've tried to fix it, but I guess I'm too picky for the results I'm getting. Black is not black. The problem I'm having DIYing it is getting the black color and sheen to match.
I have no eye for art or color. I've have black and white dye, and prepping and dying the area isn't an issue. Getting the repair to last isn't an issue. The issue is mixing the two to get an undetectable repair. The black is always too light or too dark - or just not the right sheen.
After talking to the leather guy, he brought up exactly what I suspected. That a lot of blacks have hues of greens and blues in them. So, you sort of have to be an artist or have some kind of color key to match it perfectly.
This is what I'm talking about...
Not too bad from this angle:
But from this angle under lighting you can see it's not too good:
So, when all else fails - consult a professional.
While I was at it, since I'm a perfectionist (sort of)... Ordered me up a new on of these:
Old one was showing some wear.