I can't see why they would not fit as long as you used the correct rings.
I have a set of staggered Style 258s as my Winter set, and Style 214s as the Summer ones. I wanted a set of 215s but BMW wanted silly money for those.

. And I'm not certain the Ferric Grey works with Vermilion Red

Black certainly doesn't.
Oh and welcome to the Club. X6 40d Ownes are rare here and I think the others are jealous.....

Go introduce yourselfand your ride in the Newbies section....