Plenty of companies can either make or already have wheels that will fit.
There is a thread for vossen here;
https://g20.bimmerpost.com/forums/sh....php?t=1680939
Forgestar, as well as probably a bunch of other wheel companies, will make wheels to your specifications as well, which is the route I went.
Forgestar F14
Front Wheels- 19x8.5 +25 (Semi Deep Concave)
Rear Wheels- 19x9.5 +30 (Deep Concave)
Front Tires - Michelin Pilot Sport 4S 245/40/19
Rear Tires - Michelin Pilot Sport 4S 265/35/19