If you can afford it, go with the KW V3 setup because it's adjustable and rocks. I luved my setup.
Now it's time to lower my M3!
'13 Frozen Grey, ZCP/E92 M3. Expel Stealth PPF; Macht Schnell Stage II intake & pulleys; Brembo 380 BBK; Gintani x-pipe w/4 resonators; Akrapovic slip-on; RD springs.