Originally Posted by jakuum
Was wanting to bump this since I'm in a similar situation, which is staying with the stock zsp springs. Approaching 60k miles on the original shocks and was looking at my options. Was thinking either Koni Yellows or Bilstein HDs, but not entirely sure.
6 or half dozen really. Sports are adjustable; HD's aren't.
2007 E90 335i, TiAg, 6AT, ZPP, ZSP, ZCW, 6FL, HD
Quaife lsd, ETS fmic, GIAC s/w, Dinan intake/exhaust/oc, Koni/M3 susp, Apex Arc 8, Mich PSS