This sensor is compatible with the following TPMS equipped MINIs:
2007-09/2009 R56 Cooper and Cooper S Hatchback
2008-09/2009 R55 Cooper and Cooper S CLUBMAN
2009-09/2009 R57 Cooper and Cooper S Convertible
Your aftermarket wheels must be designed to properly accept direct TPMS sensors. Its a flat spot in the saftey hump, directly behind the valve stem hole. Check with your wheel supplier to confirm compatibility.
You will need 4 each of these valve stems and sensor module (NMW7613).
The TPMS system works with a pressure-sensor module within the valve stems of all four wheels that sends continuous radio-frequency signals to a receiver, and the system informs occupants when the pressure is low.