Join Date: Jun 2001
Thanked 127 Times in 89 Posts
Depends on what you want. Of your three choices, the Dinan system will lower the car the least and compromise the ride quality the least, but still provides a very significant performance benefit (because the Stage 2 system includes more than just springs).
2006 M5 Silver Gray/Silverstone/Madeira Walnut
Dinan Stage 2 Suspension System
Supersprint Race exhaust with X-pipe
1998 M3 Coupe Technoviolet #315 IP/GTS3
JRZ RS, Bimmerworld cage, Racetech halo seat, GC sway bars, control arms, AA headers and 3" race exhaust (loud and proud), etc., etc., etc. . . .