Ehrlich Wheel Works - I love BBS style 5's. I have developed a metal center cap conversion that absolutely transforms the look of them. They very closely resemble BBS Super RS with
BMW Style 5 16“ 5×120 (waffle style) Aluminum center cap set | MY Classic Parts
15×7 et24 Euroweave wheel set for E30 with BBS Style 5 wheels – ClassicEuroParts