For BMW: E36 E53 E60 E61 E63 E64 E65 E66 E67 E70 E71 E72 F01 F02 F03 F04 F06 F07 F15 F16 F10 F11 F12 F13 F85 F86 X5 X6. Located within the coolant path, these components play a crucial role in supporting the interface between the engine cooling system and the cabin heater core.
