This VVT solenoid is compatible with the following models: 2007–2012 Base 2-door , 2007–2012 S 2-door , 2007–2012 Base 2-door convertible, 2007–2012 S 2-door convertible, 2009–2012 Cooper Works 2-door , 2009–2012 Cooper Works 2-door convertible, 2012 Coupe 2-door, 2012 Cooper Works Coupe 2-door, 2012 S Coupe 2-door, 2012 Roadster 2-door convertible, 2012 Cooper Works Roadster 2-door convertible, and 2012 S Roadster 2-door convertible.It is designed for use with R55 and R56 platforms.Part number 11377533905 (also referenced as 7533905) serves as a replacement eccentric shaft actuator for variable valve timing systems.