Hi everyone

well my cooper S comes with some DONLUP SPORT MAXX RT RUNFLAT, wich i would like to change for some non run flat michelin pilot super sport set of tires, and the dunlop's are 205/45/R17 wich i would like to change to 215/45/R17 has anyone changed any of these before? will the 215 fit the OEM 17" rims?

 

This is a very common upgrade. Enjoy.

 

do you mean changing run flat to non run flat or chaning the tires size? or both?

 

Tires you want are 0.4" wider and 0.3 " taller. They should fit fine. There is a wheel/tire fitment thread around here as well for you to check.

The link below will show relative sizes

http://www.rimsntires.com/specspro.jsp

 

Both.

 

I did both on my Clubman. No issue. Only thing is you get better ride quality:-)