General description The 4pcs Coilover Strut is designed specifically for the BMW 5 Series E39 models from 1995 to 2003, including various RWD saloon models such as the 520i, 523i, 525i, 528i, 530i, 535i, 540i, 520d, 525d, 530d, 525td, and 525tds. Please note that this kit is not compatible with Wagon or M5 models and will not fit vehicles equipped with self-leveling or air suspension. Technical specifications Adjustable height: Yes, lowering 25-75mm depending on the vehicle model Damping: Non-adjustable Front top mount: Pillow ball bearing camber plate Rear top mount: Standard rubber Spring rate Front: 12 kg/mm (672 lbs/in) Spring rate Rear: 9 kg/mm (504 lbs/in) Front spring inner diameter: 70.5 mm Rear spring inner diameter: 70.5 mm Spring length Front: 190 mm Spring length Rear: 190 mm Camber adjustable: Available Shock type: Twin tube Spring preload: 7-10 mm Package includes: 2x Front coil-overs, 2x Rear coil-overs, 2x Lower mount washers, 2x C spanners Installation Use spacers to