Wilbers Powered by ZF Closed Cartridge Kit Fork Cartridges Is your BMW's front end

Is your BMW's front end feeling vague

X-PA spring-preload adjuster: stepless 15 mm mechanical range

Why Upgrade to YSS RG362 VMX Shocks

fork response is further improved by replacing the linear fork springs with separately available progressive fork springs

Wilbers Powered by ZF Closed Cartridge Kit Fork Cartridges Is your BMW's front endClosed cartridge system developed with ZF. Our acclaimed closed cartridge runs on 3 bar nitrogen for cavitation free, consistent damping even under heavy loads and high temperatures. Paired with our finely finished, ultra low friction ZERO Friction fork springs, it delivers precise, repeatable adjustments. Highlights: Compression range: 10 clicks Rebound range: 10 clicks Spring preload range: 10 mm 30 mm piston New: fork oil included