HomeBelts and Cooling > Thermostat and HousingVemo V20-99-1254 Engine Coolant Thermostat
Part #: V20-99-1254

Vemo V20-99-1254 Engine Coolant Thermostat

VEMO
⚙️ 50 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦VEMO
🚗Fitment: BMW, 325i, 535i, 735i, 735iL, 325is, 325iX, 525i, 635CSi, 325, 528e, 535is, 325e, 325es, L6, and L7
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Overview of Vemo Engine Coolant Thermostat V20-99-1254

The Vemo VEMO engine coolant thermostat V20-99-1254 is designed for precise temperature regulation in BMW vehicles. Engineered to maintain optimal engine temperature, this thermostat supports efficient engine performance and longevity.

  • Diameter: 69 mm
  • Height: 51.3 mm
  • Length and Width: 68.7 mm
  • Opening Temperature: 80°C
  • Includes seal for secure installation
  • Weight: 0.125 kg

VEMO Product Line Details

The VEMO brand line focuses on high-quality engine cooling components, ensuring reliable temperature control and durability. This engine coolant thermostat is part of the VEMO range, which emphasizes precision engineering and compatibility with specific vehicle models, including various BMW series.

Technical Description and Specifications

This engine coolant thermostat features a 69 mm diameter and a height of 51.3 mm, with a length and width of 68.7 mm, making it suitable for precise fitment in compatible BMW engines. The thermostat opens at 80°C, allowing coolant flow to regulate engine temperature effectively. The included seal ensures a tight fit to prevent leaks and maintain system integrity.

Compatible BMW Models and Applications

  • BMW 325e, 325es, 325i, 325is, 325iX
  • BMW 525i, 528e
  • BMW 535i, 535is
  • BMW 635CSi
  • BMW 735i, 735iL

This thermostat is designed specifically for these BMW models to maintain proper engine temperature and prevent overheating or inefficient cooling.

Common Issues Addressed by This Thermostat

  • Engine overheating due to thermostat failure
  • Poor engine warm-up times
  • Coolant leaks caused by faulty seals
  • Inconsistent engine temperature regulation
  • Reduced fuel efficiency from improper coolant flow

Installation Notes and Tips

When installing the Vemo V20-99-1254 thermostat, ensure the engine is cool before removal. Replace the old thermostat and seal with the new unit to prevent leaks. Verify the correct orientation and seating of the thermostat to maintain proper coolant flow. It is recommended to inspect the cooling system for any additional wear or damage during installation.

Quality Assurance and Warranty

Vemo thermostats are manufactured to meet OEM standards for fit and function. The V20-99-1254 part number undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Vemo products typically come with a limited warranty covering manufacturing defects.

BrandVemo
Part NumberV20-99-1254
PositionVEMO
Diameter [mm]69
Height [mm]51.3
Length [mm]68.7
Opening Temperature [°C]80
Packaging Depth [cm]13,4
Packaging height [cm]12,1
Packaging width [cm]14,1
Supplementary Article/Supplementary Infowith seal
Weight [kg]0.125
Width [mm]68.7

This part fits 50 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
1993BMW325iBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1993BMW535iBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1992BMW325iBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1992BMW535iBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1992BMW735iBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1992BMW735iLBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1991BMW325iBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1991BMW325isBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1991BMW325iXBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1991BMW535iBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1991BMW735iBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1991BMW735iLBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1990BMW325iBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1990BMW325isBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1990BMW325iXBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1990BMW525iBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1990BMW535iBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1990BMW735iBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1990BMW735iLBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; 80 Degrees C; With OE No. 11531466174; VEMO
1989BMW325iBase2.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1989BMW325isBase2.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1989BMW325iXBase2.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1989BMW525iBase2.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1989BMW535iBase3.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1989BMW635CSiBase3.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1989BMW735iBase3.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1989BMW735iLBase3.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1988BMW325iBase2.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1988BMW325isBase2.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1988BMW325iXBase2.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1988BMW528eBase2.7LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1988BMW535iBase3.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1988BMW535isBase3.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1988BMW635CSiBase3.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1988BMW735iBase3.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1988BMW735iLBase3.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1987BMW325eBase2.7LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1987BMW325esBase2.7LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1987BMW325iBase2.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1987BMW325isBase2.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1987BMW528eBase2.7LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1987BMW535iBase3.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1987BMW635CSiBase3.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1987BMW735iBase3.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1986BMW325eBase2.7LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1986BMW325esBase2.7LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1986BMW528eBase2.7LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1986BMW535iBase3.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1986BMW635CSiBase3.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO
1986BMW735iBase3.5LL6GASN/AGrade: Aftermarket; Description: With Gasket; Temperature Range (Celsius): 80 C; Kit: Expert Kits +; With OE No. 11531466174; VEMO

* 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:

1 466 1741 710 9531 713 04011 53 1 710 95311 53 1 713 0401153146617412188135881430700209121882091218921198021198031222680274792748028271000528280000433974423580D4803851118053053807517278254S81905081994886206382BTH61741QTH320TH11680G1TX2780D

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