KW Coilover Kit V1 BMW 4-Series

KW is well-known for their performance suspension components, and their V1 INOX-LINE coilover kit is a great entry point into their street performance lineup. This kit is designed to give your BMW a more balanced and sporty feel, while also allowing you to adjust the ride height. It's built for long-lasting driving pleasure, offering a harmonious pre-configured setup that balances sportiness with practicality. This kit fits a range of BMW models, including the 3 Series Gran Turismo (like the 335i GT xDrive) and the 4 Series Gran Coupe (like the 430i xDrive Gran Coupe).

The INOX-LINE stainless steel construction means these coilover struts are truly resistant to corrosion, even when you're adjusting the ride height. This also means the dirt-resistant trapezoid thread and composite adjustment collar make adjusting the ride height easy, even after years of use. KW engineers develop a specific damper setup and spring rate for each vehicle application, based on extensive testing at places like the Nürburgring Nordschleife and their own 7-post chassis dynamics test center. This vehicle-specific tuning means you get a more direct, sporty handling with reduced body roll during compression, without sacrificing too much comfort for daily driving.

Each coilover strut is hand-built in Germany and receives an individual serial number, with every damper being dyno tested before it leaves the factory to ensure accuracy. The kit includes elastomer bump stops with integrated dust protection to keep dirt and water away from the piston rod and seals, which helps maintain ride quality and durability. You'll also find composite spring perches made from wear-resistant polyamide with a stainless-steel insert, preventing oxidation while maximizing strength.