ApplicationCompatible for BMW 5 Series F10 / F18 2010-2016 518 520 523 525 528 530 535 550SpecificationQuantity: 2 front pieces plus 2 rear piecesFront Spring Rate: 8 kg/mm (392 lbs/in)Rear Spring Rate: 6 kg/mm (336 lbs/in)Color: YellowDamper: Not adjustableAdjustable height: YesRegible Camper Plate: YesWarranty: one year warranty for any manufacture defectFeatures- Adjustable ground height- Adjustable preload spring voltage- Pillow-shaped ball on top mount -- this design helps combat noise when tuning. It also improves steering sensitivity and response- Most of the components are made of aluminum 6061 with T6 to improve hardness -- the advantages are excellent strength and aluminum helps reduce weight.- Spring traction is high- Continuous test of 600,000 times, spring distortion is less than 0.04%.- In addition, special surface treatment improves durability and performance.- All inserts are equipped with rubber boots to protect the shutters and keep clean.- A quick and convenient way to easily update the look of your car.- Easy to install with correct tools.NotesNo statement included; Suggested professional installation and alignment.Please check our store for others for auto parts that you may be interested in.Please contact us for any help.