ApplicationCompatible for BMW 3 Series E46 98-05 compatible for BMW 316i / 318i / 318Ci01-05 compatible for BMW 320i98-00 compatible for BMW 323i / 323Ci01-05 compatible for BMW 325i / 325Ci98-00 compatible for BMW 328i / 328Ci01-06 compatible for BMW 330i / 330Ci01-06 compatible for BMW M3(Compatible for BMW E46 3-Series Models ONLY)SpecificationQuantity: 2 front+2 rear shocks2 C- Spanners for adjustment2 rear Springs+2 front SpringsFront Bump stops and dust covers.Spring rate Front: 8 kg/mm (478 in/lbs)Spring rate Rear: 10 kg/mm (560 in/lbs)Adjustable Damper: Non-adjustable damper forceAdjustable 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 dailyNoteNo 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.