HomeBelts and Cooling > Thermostat and HousingFacet 7.8258 Engine Coolant Thermostat
Part #: 7.8258

Facet 7.8258 Engine Coolant Thermostat

⚙️ 38 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, Z3, M3, 318i, 318is, 318ti, 325i, 325is, 525i, and 525iT
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Overview of Facet Engine Coolant Thermostat 7.8258

The Facet Engine Coolant Thermostat 7.8258 is designed for precise temperature regulation in BMW vehicles. This thermostat is compatible with several BMW models, including the 318i, 318is, 318ti, 325i, 325is, 525i, 525iT, M3, and Z3, ensuring reliable engine cooling performance.

  • Compatible with BMW 318i, 318is, 318ti, 325i, 325is, 525i, 525iT, M3, and Z3 models
  • Part number 7.8258 for accurate identification
  • Engine coolant thermostat designed to regulate engine temperature
  • Direct replacement for OEM thermostats in specified BMW models
  • Manufactured by Facet, a recognized brand in automotive cooling components

Product Details and Specifications

The Facet 7.8258 engine coolant thermostat is engineered to maintain optimal engine operating temperature by controlling coolant flow. This part is essential for preventing engine overheating and ensuring efficient fuel consumption. It is specifically designed to fit a range of BMW vehicles, including the 318i, 318is, 318ti, 325i, 325is, 525i, 525iT, M3, and Z3 models, making it a suitable replacement for the original thermostat. The precision manufacturing process ensures consistent performance and durability under various driving conditions.

Applications and Common Issues Addressed

  • Prevents engine overheating by regulating coolant flow
  • Helps maintain consistent engine temperature for optimal performance
  • Resolves issues related to engine temperature fluctuations
  • Addresses coolant leaks caused by faulty thermostat housing
  • Improves heater performance by ensuring proper coolant circulation

Installation Notes and Tips

When installing the Facet 7.8258 thermostat, ensure the engine is cool before beginning the replacement process. Drain the coolant system to avoid spills and contamination. Verify the correct orientation of the thermostat during installation to maintain proper coolant flow. It is recommended to replace the thermostat gasket or seal to prevent leaks. After installation, refill the cooling system and bleed air pockets to avoid overheating issues.

Quality Assurance and Warranty Information

Facet manufactures the 7.8258 engine coolant thermostat to meet industry standards for quality and reliability. While specific warranty details may vary, Facet products typically come with a limited warranty against defects in materials and workmanship. This ensures that the thermostat performs as expected when installed in compatible BMW models such as the 318i, 325i, and M3.

This part fits 38 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2000BMWZ3M RoadsterN/AFits engines with 88 degrees Celsius, includes gasket.
2000BMWZ3M CoupeN/AFits engines with 88 degrees Celsius, includes gasket.
1999BMWM3BaseN/AFits engines with 88 degrees Celsius, includes gasket.
1999BMWZ3M CoupeN/AFits engines with 88 degrees Celsius, includes gasket.
1999BMWZ3M RoadsterN/AFits engines with 88 degrees Celsius, includes gasket.
1998BMWM3BaseN/AFits engines with 88 degrees Celsius, includes gasket.
1998BMWZ3M RoadsterN/AFits engines with 88 degrees Celsius, includes gasket.
1997BMWM3BaseN/AFits engines with 88 degrees Celsius, includes gasket.
1996BMWM3BaseN/AFits engines with 88 degrees Celsius, includes gasket.
1995BMW318iBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1995BMW318isBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1995BMW318tiBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1995BMW325iBase2.5LL6N/AFits engines with 88 degrees Celsius, includes gasket.
1995BMW325isBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1995BMW525iBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1995BMWM3LightweightN/AFits engines with 88 degrees Celsius, includes gasket.
1995BMWM3BaseN/AFits engines with 88 degrees Celsius, includes gasket.
1994BMW318iBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1994BMW318isBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1994BMW325iBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1994BMW325isBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1994BMW525iBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1993BMW318iBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1993BMW318isBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1993BMW325iBase2.5LL6N/AFits engines with 88 degrees Celsius, includes gasket.
1993BMW325isBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1993BMW525iBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1993BMW525iTBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1992BMW318iBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1992BMW318isBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1992BMW325iBase2.5LL6N/AFits engines with 88 degrees Celsius, includes gasket.
1992BMW325isBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1992BMW525iBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1991BMW318iBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1991BMW318isBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1991BMW525iBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1985BMW318iBaseN/AFits engines with 88 degrees Celsius, includes gasket.
1984BMW318iBaseN/AFits engines with 88 degrees Celsius, includes gasket.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.