are you sure about that? the M5 crowd are up in arms about not having them (US version at least):
Originally Posted by jjsC6
I sat in an M5 a couple of weeks ago. I love my Multi-Contour with Luxury seating seats, but the M5 takes them and adds the bolsters. They felt heavenly.
2013 BMW 550i M-sport, Alpine white/Cinnamon
2012 BMW 535i M-sport (retired)