They're pretty rare, but I think some of the early X6 had maroon alcantara as an option and there is the 'M Performance Package' ZMX
https://www.xbimmers.com/forums/show....php?t=1338951
https://www.bmwblog.com/2012/09/19/b...mance-edition/
(I’m on a quest now)
Haven’t seen it on an E70 X5, but a quick search pulled up Schiedemann (EU or aftermarket covers)
https://www.schmiedmann.com/showroom...-leather-cabin