Those Powerflex bushings will be too stiff if you're still riding on rft's and may get squeaky over time as many poly bushings do. Check with Meyle and Lemforder to see if they have replacement bushings for your tension links. That or oem imo.
2007 E90 335i, TiAg, 6AT, ZPP, ZSP, ZCW, 6FL, HD
Quaife lsd, ETS fmic, GIAC s/w, Dinan intake/exhaust/oc, KW/M3 susp, Apex Arc 8, Mich PSS