GOODSPEED BMW 228i / 230i / M235i / M240i XDrive (F22/F23) 2015-21 MAXX Coilovers (5-Bolts) Lowering Kits Durable ABS Plastic Construction: Built

Durable ABS Plastic Construction: Built for strength and longevity

Diameter: 320mm Racing Spec

Damping Levels 40-Level Height Adjustment Yes Spring Rate(Front) 14 kg/mm (784 lbs/inch) Spring Rate(Rear) 12 kg/mm (672 lbs/inch) Spring Length(Front) 140 mm Spring Length(Rear) 245 mm Front Top Mount Yes

Tailored Fitment: Specifically designed for 2016–2018 Kia Optima SX / SXL / S

Mufflers: 2

GOODSPEED BMW 228i / 230i / M235i / M240i XDrive (F22/F23) 2015-21 MAXX Coilovers (5-Bolts) Lowering Kits Durable ABS Plastic Construction: BuiltCompatible With BMW 228i 230i M230i M240i XDRIVE (F22 F23) 2015 2016 2017 2018 2019 2020 2021 5 Bolts; Requires EDC Disable Module To Turn Off Service Light For Models with Electronic Suspensions Full Length Adjustable, Independent Ride Height And Spring Tension Adjustment; Mono Tube Shock With 40 Precise Levels of Damping Force Adjustment; Corresponds to Every Driving Scene From the Street To The Track Large Capacity 52mm Steel Shock Body With Anti