ApplicationCompatible for BMW E39 5-Series Sedan 1996-2003Models: 520i/ 523i/ 525i/ 528i/ 530i/ 520D/ 525D/ TD/ TDS/ 530DCompatible for BMW 540 (with front top mount,but not include in our kit)Note:Will not fit Self Leveling/Air suspension modelNot for Wagon or M5 ModelsSpecificationQuantity: - 2 front+2 rear shocks- 2 C- Spanners for adjustment- 2 rear springs- Front Bump stops and dust coversSpring rate Front: 7 kg/mm (392 in/lbs)Spring rate Rear: 5 kg/mm (280 in/lbs)Damper: Non Adjustable DamperAdjustable Height: YESColor: BlueWarranty: one year warranty for any manufacturing defectFeature- Adjustable ride height- Adjustable pre-load spring tension- Most components are made from 6061 aluminum with T6 for increased hardness -- the advantages include excellent strength, and aluminum helps keep the weight down.- Hi Tensile performance spring - Under 600,000 times continuously test, the spring distortion is less than 0.04%. Plus, the special surface treatment is to improve the durability and performance. - All inserts come with fitted rubber boots to protect the damper and keep clean.- Improve your handling performance without sacrifice comfortable ride.- A fast and affordable way to easily upgrade your car's appearance.- Easy installation with right tools.- Ideal for any track, drift and fast road and can also be used for daily driving.Not- No instruction included; Professional installation alignment suggested.- Please check our store for other auto parts you may be interested in.- Please feel free to contact us for whatever we can help.