The Dinan plates work great but the only drawback is that they raise the ridehight slightly because it's placed between the top of the shock and shock mount. Not sure what the effect on handling is though.
'06 Arctic Metallic 325i | Sport Package | 6MT | Dinan Stage III suspension | Dinan exhaust | 330i manifold swap! Click here!
| Active Autowerke tune | 135i Brake Calipers | Deiselboost caliper brackets | E46 M3 front rotors