Motorad 916-217 Engine Coolant Thermostat Housing Assembly

Integrated Housing Thermostat for BMW Cooling Systems

Motorad 916-217 is an integrated housing thermostat assembly built for BMW cooling system service where OE-style temperature control matters. It combines the thermostat, housing, and sensor in one unit and is specified for a 217°F opening temperature.

Compatible With BMW 640i, 640i xDrive, 740Li, ActiveHybrid 7, M3, M4, and M2 applications listed below, this Motorad integrated housing thermostat is designed around OEM specifications and processes. The copper case and wax compound support quick reaction to coolant temperature changes, while the offset design, air relief valve, and OEM-style sealing features help match the original layout.

Key Features

• Motorad Integrated Housing Thermostat, part number 916-217
• OE-specified 217°F start-to-open temperature
• Includes thermostat, housing, and sensor on listed BMW applications
• Bleeder hole and jiggle pin included
• Constructed from plastic, stainless steel, and copper
• Black housing finish
• Offset design with air relief valve
• Built to OEM quality materials and safety standards by an OE supplier

Detailed Description

The Motorad 916-217 thermostat housing assembly is made for BMW cooling systems that require precise coolant temperature regulation and OE-style fitment. Its integrated design helps simplify replacement of the thermostat and housing assembly on supported vehicles, while the copper case and wax compound are used to respond quickly to temperature changes in the coolant. This part cross-references Dorman OE Solutions 902-5823 for the same application.

Fits 2012-2018 BMW 640i, N/A; Fits 2016-2018 BMW 640i xDrive, N/A; Fits 2013-2019 BMW 640i Gran Coupe, N/A; Fits 2016-2019 BMW 640i xDrive Gran Coupe, N/A; Fits 2015 BMW 740Li, N/A; Fits 2013-2015 BMW 740Li xDrive, N/A; Fits 2013-2015 BMW ActiveHybrid 7, N/A; Fits 2018 BMW M3, N/A; Fits 2018-2019 BMW M4, N/A; Fits 2019 BMW M2, N/A.

Common Uses

• Replacing a thermostat housing with coolant temperature control concerns
• Addressing coolant temperature regulation issues on BMW 640i and 640i xDrive models
• Servicing integrated thermostat assemblies on BMW 740Li and ActiveHybrid 7 applications
• Restoring OE-specified thermostat operation on BMW M3, M4, and M2 applications
• Repairing housing-related leaks or sensor-related thermostat service needs

Installation Notes and Tips

Verify the 217°F temperature specification and confirm vehicle application before installation. This assembly uses no bolt holes, and the listing does not include bolts, gasket or seal, hardware, or an installation tool. The fitment notes indicate thermostat, housing, and sensor are included on the listed BMW applications. Inspect mating surfaces and coolant passages carefully during service.

Quality Assurance

Motorad manufactures this integrated housing thermostat with OEM-quality materials and processes as an OE supplier. The design is intended to meet OEM specifications for the supported BMW applications and to withstand demanding automotive cooling system conditions.