
The AST 5100 Street coilover kit for 2011–2012 BMW 1 Series M E82 is a monotube inverted system with 1-way rebound and ride-height adjustability. Front dampers use a coilover design while the rear preserves an OEM-style divorced setup; springs are supplied to work with OEM top mounts. Rebuildable dampers and tuned spring rates deliver a balance of daily comfort and sharper handling.
AST 11-12 BMW 1 Series M E82 RWD 5100 Street Coilovers w/ Springs & Droplink