BC Racing ZR Series Coilovers for the 2007-2011 BMW Coupe 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 Coupe chassis and refined until it balances ride quality with performance, the reason Coupe 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. Where BC Racing separates itself is tuning philosophy: every off-the-shelf spring rate and damper setup is chosen to stay comfortable on daily roads while still delivering real performance at the track. If you want something different, Swift Springs, rates, and valving are all options at checkout, BC will match the valving of the dampers to whatever springs you pick, something most brands don”t offer outside their flagship race lineup.
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 Coupe coilovers arrive tuned for the Coupe 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-118-ZR |
| Part Name | ZR Series Coilovers |
| Vehicle | 2007-2011 BMW 335i Coupe |
| Drivetrain | RWD |
| Chassis Code | E92 |
| Damping Adjustment | 3-Way (30 levels rebound/15 LSC/12 HSC) |
| Ride-Height Adjustable | Yes |
| Spring Rate – Front | 5.5 kg/mm |
| Spring Rate – Rear | 6 kg/mm |
| 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 | True Coilover |
| Notes |
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