BC Racing DS Series Coilovers for the 2011-2017 BMW X3 blend street-tuned ride quality with track-ready adjustability, giving you more body control than any OEM damper without the harshness of a pure race kit. Every kit is extensively tested on the F25 chassis and refined until it balances ride quality with performance, the reason X3 coilovers from BC Racing are the best-selling adjustable kits in their segment worldwide.
DS Series kits pair a mono-tube damper with BC”s proprietary digressive piston design, increased low-speed damping for flat corner entry, compliant high-speed response over expansion joints and potholes. The finished shock body is silver, visually distinct from the BR Series, and ride height is adjustable independent of spring preload. 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 X3 coilovers arrive tuned for the F25 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-56-DS |
| Part Name | DS Series Coilovers |
| Vehicle | 2011-2017 BMW X3 |
| Drivetrain | AWD |
| Chassis Code | F25 |
| Damping Adjustment | 1-Way (30 levels) |
| Ride-Height Adjustable | Yes |
| Spring Rate – Front | 6 kg/mm |
| Spring Rate – Rear | 6 kg/mm |
| Spring Size – Front | 62-230-6K-S |
| Spring Size – Rear | 85-62-245-6K-V |
| Swift Springs – Front | 62-228-X |
| Swift Springs – Rear | Not Applicable |
| Top Mounts – Front | Camber Plates |
| Top Mounts – Rear | Reuses OEM Mounts |
| Rear Damping Extenders | Optional |
| Suspension Design – Front | True Coilover |
| Suspension Design – Rear | True Coilover |
| Notes | – |


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