I don't have any experience with the ZCP suspension and I am a track noob but my car felt really good to me on the KW sleeve kit. Sure, it could probably be better but it behaved very well,.
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2008 IB E92 M3| BBS | KW | Arkym | Platte Forme A.G. | Active Autowerke | K&N | Fabspeed | Dinan | Evolve-R
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