I was in the same boat as you my rfts at the rear needed replacing. I replaced them with non rfts this was ok at normal speeds but on the motorway or a decent road the handling went at speeds over 60. The rear wobbled and it felt horrible. Get all 4 changed at the same time, it will completely change the car, you will have so much grip and no tramlining.
E90 Msport, black leather, front seat heating,6Fl, bluetooth,sun protection glass,Alpine upgrade,non rft's