Thermostat, oil cooling Oil thermostat that directs oil through the cooler when operating temperature is reached GATES "TH44870" - Not availableBMW - 3 (E46, WB), 5 (E39, WB), 1 (E81, E87), X3, X5, 7 (E65, E66, E67), 6, X6; OPEL - Omega B