BC Racing ZX Series Coilovers for the 2001-2006 BMW M3 Coupe bring three-axis adjustability with valving tuned for drivers who want race-level control without moving to a dedicated race damper. Rebound, low-speed compression, and high-speed compression are each adjusted independently.
Three-way adjustment separates rebound from low-speed and high-speed compression, so mid-corner grip, braking stability, and curb strike compliance can each be tuned on their own. Ride height is adjustable independent of spring preload.
BC Racing has been manufacturing adjustable coilovers since 2004 and is one of the most popular coilover brands in the automotive tuning industry for a reason: competitive pricing, deep ization, proven reliability, and a fully rebuildable damper design. Every kit ships with a 2-year manufacturer warranty, lifetime access to BC service parts, and in-house tech support from both BC Racing and the Springrates team.
Features
Specifications
| Part Number | I-64-ZX |
| Part Name | ZX Series Coilovers |
| Vehicle | 2001-2006 BMW M3 Coupe |
| Drivetrain | RWD |
| Chassis Code | E46 |
| Damping Adjustment | 3-Way (30 levels rebound/15 LSC/12 HSC) |
| Spring Rate – Front | 6 kg/mm |
| Spring Rate – Rear | 6 kg/mm |
| Top Mounts – Front | Camber Plates |
| Top Mounts – Rear | Reuses OEM Mounts |
| Rear Damping Extenders | Optional |
| Ride-Height Adjustable | Yes |
| Suspension Design – Front | True Coilover |
| Suspension Design – Rear | True Coilover |
| Notes |
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