BC Racing ZR Series Coilovers for the 2000 BMW 323Ci deliver the deepest damping adjustability in BC Racing”s lineup, with Swift Springs included standard and three axes of independent tuning for competitive track programs. Every kit is extensively tested on the 323Ci chassis and refined until it balances ride quality with performance, the reason 323Ci coilovers from BC Racing are the best-selling adjustable kits in their segment worldwide.
ZR Series kits use an inverted mono-tube damper with a linear twin-piston design, feeding three independent adjustment circuits. Swift Springs come standard, not as an upgrade, and the kit is race-tuned out of the box. The off-the-shelf setup from BC Racing is deliberately balanced, spring rates and valving chosen so the kit feels comfortable day-to-day without giving up performance when you push it. Drivers who want a different recipe can spec Swift Springs, spring rates, or fully valving at checkout; BC will tune the dampers to match, which is a depth of ization most brands only offer on their top-tier kits.
Since 2004, BC Racing has grown into one of the most trusted names in aftermarket coilovers, not by racing to the bottom on price, but by pairing that price with real build quality, deep ization options, and a damper design any suspension shop can rebuild instead of replacing. These 323Ci coilovers arrive tuned for the E46 chassis and ready to bolt in, no break-in period, no guessing at setup. Every kit ships with a 2-year manufacturer warranty, lifetime access to BC service parts (pistons, seals, shafts, no unit replacement required when it”s time for a rebuild), and in-house tech support from both BC Racing and the Springrates team.
Features
Specifications
| Part Number | I-02-ZR |
| Part Name | ZR Series Coilovers |
| Vehicle | 2000 BMW 323Ci |
| Drivetrain | RWD |
| Chassis Code | E46 |
| Damping Adjustment | 3-Way (30 levels rebound/15 LSC/12 HSC) |
| Ride-Height Adjustable | Yes |
| Spring Rate – Front | 6 kg/mm |
| Spring Rate – Rear | 8 kg/mm |
| Spring Size – Front | 62-180-6K |
| Spring Size – Rear | 62-150-8K |
| Swift Springs – Front | 62-178-X |
| Swift Springs – Rear | 62-152-X |
| Top Mounts – Front | Camber Plates |
| Top Mounts – Rear | Pillowball Mounts (no camber adjustment) |
| Rear Damping Extenders | Not Compatible |
| Suspension Design – Front | True Coilover |
| Suspension Design – Rear | Divorced |
| Notes |
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