General description Coilovers Suspension Kit designed specifically for BMW 3 Series E46 models, including Saloon, Coupe, Convertible, and Touring variants from 1997 to 2007. This kit enhances vehicle performance with adjustable height and damping settings, making it suitable for both daily driving and occasional track use. Technical specifications Lowered height adjustment: 1" - 3" Damping: 24 levels of rebound damping adjustable Front top mounts: Pillow ball top mount with camber plate Rear top mounts: Pillow ball top mounts Spring rate Front: 9 kg/mm (504 lbs/in) Spring rate Rear: 11 kg/mm (616 lbs/in) Spring length Front: 180mm Spring length Rear: 183mm Spring inner diameter Front: 70.5mm Spring inner diameter Rear: 63mm Shock type: Twin tube Spring Preload: 7-10 mm Compatibility and accessories This suspension kit is compatible with the following BMW 3 Series E46 models: Saloon (1997-2005): 316i, 318i, 320i, 323i, 325i, 328i, 330i, 318d, 320d, 330d Convertible (2000-2007): 318Ci,