Cooper S (R53) L4-1.6L SC (W11) (2004)
Thermostat Gasket: Specifications
Thermostat Opening Temp. and Radiator Cap Max. Pressure, Cooper and Cooper S
Thermostat
the thermostat is located in the cylinder head and is retained by a plastic housing (aluminum on COOPER S).
The thermostat begins to open at 89-92°C and is fully open at 103°C.
the MINI COOPER thermostat housing also incorporates the cooling system pressure cap (MINI COOPER S system pressure cap is installed on the
expansion tank).
Radiator Cap Max. Pressure
Both models use a pressure cap to pressurize the cooling system to 1.1 bar (16 psi) at which point the cap valve will lift to relieve pressure.