Sorry! Didn't mean to drop a turd in your punch bowl.........
If they can't powder coat the center caps, you might be able to get some color matched paint to do the center caps or just clean and paint your hubs and run with no center caps. I've seen both ways and they still look good. IIRC Fazda doesn't have center caps on his 5's......
'96 328iC "Marie"
R.I.P 14 November 2013