Ohlins E9X M3 Coilover Suspension - Road & Track

Ohlins E9X M3 Coilover Suspension - Road & Track SKU: BMS Mi40S1 The Öhlins Road & Track Coilover Suspension for the BMW E9X M3 is engineered to deliver a precise balance between track-focused performance and everyday drivability. Developed using Öhlins’ advanced Dual Flow Valve (DFV) technology, this system provides exceptional control over both compression and rebound damping, allowing the suspension to react quickly to changing road and track conditions while maintaining consistent tire contact. Unlike conventional damper designs, the DFV system allows fluid to flow efficiently in both compression and rebound phases. At low shaft speeds, fluid passes through the bleed circuit for controlled damping. As shaft speed increases, flow transitions through the piston ports, and under high load or sudden impacts, the DFV opens to allow additional flow. This results in improved bump absorption, increased traction, and reduced harshness without sacrificing responsiveness. :contentReference[oaicite:0]{index=0} One of the key advantages of the Öhlins design is its ability to maintain consistent damping characteristics under heat. As damper temperatures rise, fluid viscosity can change, but Öhlins compensates for this using a temperature-reactive needle bleed valve which adjusts flow accordingly. This ensures predictable handling and repeatable performance, even during extended track sessions. Ride height adjustment is handled independently from spring preload through a threaded lower mount design. This allows precise height changes without altering spring characteristics or reducing suspension travel, preserving the engineered balance of the system. Product Details SKU: BMS Mi40S1 Öhlins Dual Flow Valve (DFV) technology Single external adjuster controlling compression and rebound Approximate lowering range: 0–40mm front and rear Spring rates: 60 N/mm front, 120 N/mm rear Separate ride height adjustment independent of spring preload Monotube damper construction Rebuildable and serviceable dampers Corrosion tested to ISO 9227 standards Designed for both street and track use Front Suspension Features McPherson strut design with inverted monotube construction Spring preload adjustment Separate damper length adjustment Camber adjustment capability Compatible with factory top mounts Rear Suspension Features Aluminum monotube shock absorber Spring preload adjustment Independent ride height adjustment Optimized for consistent damping under load Compatible with factory top mounts Vehicle Applications BMW M3 (E90) BMW M3 (E92 / E93) Technical Resources Installation Guide Owner’s Manual EDC Cancellation Kit Guide Optional EDC Cancellation Kit Notes Suspension components are non-returnable once installed For vehicles equipped with factory electronic dampers, an Öhlins cancellation kit is required