775cc FIC BMW E60 V10 Fuel Injector Clinic Injector Set (High Z) (is810 0775h) King Bearings Complete bolt on kit means Complete bolt on kit means no cutting or modifying necessary the Motorsport version has an extra CFD driven heatsink built in proven to dissipate more heat and further isolate the actuator housing from thermal stress This set of injectors requires you to change the injector plug on the wiring harness in your car or you can choose to purchase the optional plug n play adaptors which will convert from the type of plugs on these injectors to the plugs on your harness without any need for cutting or soldering