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Facet 7.8254S Engine Coolant Thermostat
| Brand | Facet 7.8254S |
|---|---|
| Fits | BMW · 50 vehicles |
Engine coolant thermostat. Regulates coolant flow to help maintain proper operating temperature.
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Facet 7.8254S Engine Coolant Thermostat
Facet 7.8254S is an engine coolant thermostat for select BMW applications that require an 80 degrees C opening temperature. It is built for direct replacement use in cooling system service on classic BMW 3 Series and 5/6/7 Series models.
Key Features
- Engine coolant thermostat for BMW cooling system repair
- 80 degrees C temperature rating
- Direct-fit replacement for listed applications
- Facet part number 7.8254S for catalog matching
- Fits BMW 325i, 535i, 735i, and other listed models
Detailed Description
This Facet 7.8254S thermostat regulates coolant flow based on engine temperature to help maintain proper operating temperature in the cooling system. It is listed for a wide range of BMW models, including 1987-1993 BMW 325i, 1986-1993 BMW 535i, 1986-1992 BMW 735i, 1988-1992 BMW 735iL, 1987-1991 BMW 325is, 1988-1991 BMW 325iX, 1989-1990 BMW 525i, 1986-1989 BMW 635CSi, 1986-1988 BMW 528e, 1988 BMW 535is, 1986-1987 BMW 325e, and 1986-1987 BMW 325es. The Facet 7.8254S is a practical replacement choice when servicing BMW cooling systems that call for an 80 degrees C thermostat.
What It Is Used For
- Replacing a thermostat that is stuck open or stuck closed
- Restoring normal engine operating temperature control
- Addressing overheating caused by thermostat malfunction
- Correcting slow warm-up or temperature fluctuation concerns
- Servicing BMW cooling systems during preventive maintenance
Installation Notes and Tips
Verify the thermostat temperature rating and housing style against the original part before installation. This listing notes gasket included: N, so confirm the required sealing components separately. Clean the mating surfaces and inspect the cooling system for contamination, leaks, or worn hoses before reassembly.
Quality Assurance
Facet cooling components are cataloged for specific vehicle applications to support accurate parts selection. This part cross-references Monroe Shocks & Struts (e.g., 172286) for the same application.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1993 | BMW | 325i | Base | 2.5L | L6 | N/A | 80 Degrees C; Gasket included: N |
| 1993 | BMW | 535i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1992 | BMW | 325i | Base | 2.5L | L6 | N/A | 80 Degrees C; Gasket included: N |
| 1992 | BMW | 535i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1992 | BMW | 735i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1992 | BMW | 735iL | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1991 | BMW | 325i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1991 | BMW | 325is | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1991 | BMW | 325iX | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1991 | BMW | 535i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1991 | BMW | 735i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1991 | BMW | 735iL | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1990 | BMW | 325i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1990 | BMW | 325is | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1990 | BMW | 325iX | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1990 | BMW | 525i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1990 | BMW | 535i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1990 | BMW | 735i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1990 | BMW | 735iL | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1989 | BMW | 325i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1989 | BMW | 325is | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1989 | BMW | 325iX | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1989 | BMW | 525i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1989 | BMW | 535i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1989 | BMW | 635CSi | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1989 | BMW | 735i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1989 | BMW | 735iL | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1988 | BMW | 325i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1988 | BMW | 325is | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1988 | BMW | 325iX | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1988 | BMW | 528e | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1988 | BMW | 535i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1988 | BMW | 535is | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1988 | BMW | 635CSi | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1988 | BMW | 735i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1988 | BMW | 735iL | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1987 | BMW | 325e | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1987 | BMW | 325es | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1987 | BMW | 325i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1987 | BMW | 325is | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1987 | BMW | 528e | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1987 | BMW | 535i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1987 | BMW | 635CSi | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1987 | BMW | 735i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1986 | BMW | 325e | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1986 | BMW | 325es | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1986 | BMW | 528e | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1986 | BMW | 535i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1986 | BMW | 635CSi | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
| 1986 | BMW | 735i | Base | — | — | N/A | 80 Degrees C; Gasket included: N |
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