KW Suspension DDC Plug/Play Coilover Kit for BMW 4series F33 Convertible RWD w/ EDC (39020021) 1404 TruHart Lowering Springs are a

TruHart Lowering Springs are a cost-effective way to reduce wheel gap and improve performance

Special Comments: Cast iron rotor only

Available in both black and white housing

Adjustable Progressive VC-50 Controller and Harness

KW Suspension DDC Plug/Play Coilover Kit for BMW 4series F33 Convertible RWD w/ EDC (39020021) 1404 TruHart Lowering Springs are aThe KW DDC coilovers are a part of the KW iSuspension program the intelligent suspension solution. They combine the advantages of an adaptive damping system with a vehicle specific aftermarket suspension solution. Today, more and more premium vehicles are being fitted with an electronically adaptive suspension system. Before KW DDC Plug & Play coilovers were introduced to the market, you often had to make compromises when customizing your suspension