This looks like the same/similar to the rover SD1/BMW thermostat?

http://cgi.ebay.co.uk/Lada-Niva-1-9D-High-Quality-Engine-Thermostat_W0QQitemZ280003442724QQihZ018QQcategoryZ108790QQssPageNameZWDVWQQrdZ1QQcmdZViewIte m