KW DDC Plug & Play suspension, part of the KW iSuspension programme. They combine the advantages of an adaptive damping system with a vehicle-specific aftermarket suspension solution. KW DDC Plug & Play suspension allows you to lower your vehcile manually while keeping your 'factory installed' on board suspension active control system. The KW DDC Plug & Play is fitted with original plugs to allow this. F80 M3 - Lowers 15-40mm front & 15-40mm rear. F82 M4 - Lowers 15-40mm front & 15-40mm rear.