BC Racing ZX Series Coilovers for the 2000 BMW 328Ci Convertible (E46) bring the same three-axis adjustability as the race-spec ZR Series with valving tuned for drivers who split time between street and track. Every kit is extensively tested on the 328Ci Convertible E46 chassis and refined until it balances ride quality with performance, the reason 328Ci Convertible coilovers from BC Racing are the best-selling adjustable kits in their segment worldwide.
ZX Series kits share the three-axis damper architecture of the race-spec ZR Series, tuned out of the box for drivers who want race-grade adjustability without the ride harshness on the commute home. 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.
BC Racing”s reputation in the aftermarket suspension world is built on four things: competitive pricing that beats the rest of the fully-adjustable market, ization depth that rivals the top-tier race brands, long-term reliability earned over 20 years of production, and a rebuildable design that keeps the same set of dampers serving you through multiple builds. These 328Ci Convertible 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-90-ZX |
| Part Name | ZX Series Coilovers |
| Vehicle | 2000 BMW 328Ci Convertible |
| 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 | Reuses OEM Mounts |
| Rear Damping Extenders | Not Compatible |
| Suspension Design – Front | True Coilover |
| Suspension Design – Rear | Divorced |
| Notes |
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