FullFrontandRearCoiloversSuspensionShockAbsorbersStrut Kits Compatible for BMW F20RWD ONLY Compatible for BMWF30RWD ONLY Compatible for BMWF32RWD ONLY Adj.Height Damper Application: Compatible for BMW F20 2011-2019 Compatible for BMW 3-SeriesF302012-2018RWD ONLY (excludingModels With Electronic Suspension) Compatible for BMW 4-SeriesCoupe/ConvertibleF322014-2017 RWD ONLY(excluding Electronic Suspension) Will NOT fit any compatible for BMW models with xDrive / 4WD / xi Specifications： Quantity: 2 PiecesFront CoiloverShock Absorbers 2 Pieces Rear CoiloverShock Absorbers 2 Pieces Stainless Steel Wrenches 2x Swaybar End Links Type：Lowering kit Adjustable damper: 24 levels adjustable damper force Adjustable camber plate:No Adjustable hight: Yes,Height lowering range：1\'\'-3\'\' Spring Rate Front: 8kg/mm (448 lbs/in) Spring Rate Rear: 6kg/mm (336 lbs/in) Spring pre-load setting:10mm Warranty: 2yearswarrantyforanymanufacturingdefect Features: * Adjustable ride height.- lowering height 1\'\'-3\'\' allow you have more aggressive stance.Separate height adjustment without sacrifice of damper stroke, Height adjustment without removing the coilover out from the car. * Adjustable pre-load spring tension. *Twin-Tube Structure - For Low Resiliency Securing Sufficient Stroke. *Complete Suspension Kit of 4 Shock Absorbers 4 Springs easy installation * 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.