The KSport Circuit Pro 3 Way Adjustable Coilover Kit is the top of the KSport track-day ladder for the 1996-2002 BMW Z3. Three independent knobs separate high-speed compression, low-speed compression, and rebound — so you can control how the chassis reacts to curbs, how it settles through a fast sweeper, and how it recovers from a hard braking zone, all without touching the other two axes.
For serious BMW Z3 track drivers and race teams, the Circuit Pro delivers the setup flexibility you need to get the absolute last tenth out of a lap. Remote reservoirs provide the oil volume and heat capacity required for long sessions, and the monotube design gives the consistent performance that makes your data meaningful. This is a full race coilover you can still dial back for the drive home.
Features
Specifications
| Part Number | CBM063-C3 |
| Damping Adjustment | 3-Way (High-Speed Compression, Low-Speed Compression, Rebound) |
| Height Adjustable | Yes |
| Spring Rate (Front) | 16.0 kg/mm (896 lbs/in) |
| Spring Rate (Rear) | 10.5 kg/mm (588 lbs/in) |
| Spring Type | Linear |
| Top Mounts – Front | Pillowball Mount with camber adjustment |
| Top Mounts – Rear | Pillowball Mount no camber adjustment |
| Notes | True Rear Coilover |
Vehicle Fitment
Important Fitment Note
4 Cyl Non M-Power


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