N2 External Reservoir Coil-Over Kit

The SF Racing N2 Coilovers are engineered for performance-focused drivers seeking high-end suspension upgrades for their 2014-2020 BMW M4 (F82/F83). These coilovers are built for track, circuit, and rally racing. The N2 Series includes external reservoirs and a dual-piston design that boosts oil capacity and enhances thermal efficiency, ensuring sustained, fade-resistant performance even under extreme driving conditions. This coilover suspension system offers 32 levels of independent rebound and compression adjustment, granting the driver full command over handling dynamics. Whether tuning for time attack, spirited driving, or street performance, the SF Racing N2 Coilovers provide consistent and customizable ride quality. Key construction features include anodized T6-6061 aluminum components for lightweight strength and corrosion resistance, and a zinc electroplated shock body for protection against rust. High-performance SAE9254 cold-wound springs maintain consistent spring rates and durability, while premium NOK oil seals and 20W IP damping oil ensure reliable operation. Installation is designed as a direct bolt-on application, though modifications may be necessary for specific E90 applications. It is important to note that while these coilovers are physically compatible, SF Racing coilovers DO NOT interface with OEM electronic damping control systems (EDC, DDS, etc.). Additional parts may be required to clear error codes if the OEM suspension includes these electronic features. The coilovers are intended for 2WD vehicles unless specified otherwise, and typically allow for a 1-2.5 inch drop below factory ride height, with factory ride height generally unachievable. These coilovers are rebuildable, allowing for replacement of individual parts such as shock cartridges. SF Racing products come with a 1-year limited warranty against manufacturing defects from the date of manufacture.