I would argue that with 19s the ride is just fine even with RFTs. I have the adaptive drive but I don't think that does much for the actual ride quality. Still, I'm curious what the non-rfts would be like and since I have the spare and the crappy Dunlops....maybe I'll try
2014 650xi GC, Imola Red/Black. MsportEd, CWP, B&O, 20" wheels
2011 1M, Black loaded sans sat radio
incoming... 2017 M2 LBB 6sp w/exec, Sept Production - oops, now November production....