Do you have EDC? That's the main reason I'm sticking with springs as I like having the EDC function. Then again if you are an avid tracker I would look into coilovers.
For coilovers KWv3's seem to be the way to go
For springs, i would look into either RD Sport or H&R Sport springs
2008 E92///M3 - | Alpine White/Fox Red Extended Novillo | Technology | Premium | Cold |
Mods: | 19" Avante Garde | Macht Schnell Filter | RPi Scoops | Rogue SSK | MS Spacers | ACM Test Pipes | ESS Tune | Remus Race | LUX V4 Angels | KW V3 |