Originally Posted by hupchurch
To jnosol - I did exactly the same thing you did - replaced front Dunlops with worn out outers with Continental DWS. Love the tires, but get this - BMW dealer wouldn't do the swap - mumbling something about going from RFT to non RFT, liability, blah blah.
My BMW dealership did it for me. Of course, they wound up with the more expensive Dunlops in the process so they made money since mine only had 50 miles on them. There is no "technical" reason not to do the swap. Only a financial one...