HomeBelts and Cooling > SwitchesVemo V20-99-1252 Engine Cooling Fan Switch
Part #: V20-99-1252

Vemo V20-99-1252 Engine Cooling Fan Switch

VEMO
⚙️ 78 vehicles fit this part
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📦VEMO
🚗Fitment: BMW, 318is, 840Ci, 850Ci, Z3, 318i, 318ti, 325i, 325is, 525i, 530i, 540i, 850CSi, M3, 740i, 740iL, 750iL, 535i, M5, 735i, 735iL, 850i, and 325iX
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Overview of the Vemo Engine Cooling Fan Switch V20-99-1252

The Vemo VEMO Engine Cooling Fan Switch V20-99-1252 is designed to regulate the cooling fan operation in select BMW models. This switch ensures optimal engine temperature management by activating the cooling fan at precise temperature points, helping maintain engine performance and prevent overheating.

  • Switch point activation between 85°C and 97°C
  • Thread size M14x1.5 for secure installation
  • Compact dimensions: 55.7 mm height, 24 mm width and length
  • 3-pole plug type for reliable electrical connection
  • Lightweight design at 0.072 kg

Technical Specifications and Product Details

The Vemo V20-99-1252 engine cooling fan switch features a switch point activation range from 85°C to 97°C, with the primary switch point at 97°C. This temperature-controlled switch is engineered with an M14x1.5 thread size, allowing for straightforward installation in compatible cooling systems. The compact size, measuring 55.7 mm in height and 24 mm in both width and length, ensures it fits seamlessly within the engine bay. The 3-pole plug type provides a secure and stable electrical connection, essential for consistent fan operation. Weighing just 0.072 kg, this switch is designed to integrate without adding unnecessary bulk.

VEMO Product Line Information

The VEMO brand line, VEMO, specializes in high-quality automotive electrical components, including switches, solenoids, and actuators. This engine cooling fan switch is part of the VEMO line, which focuses on precision and reliability in engine management systems. The VEMO line is engineered to meet OEM specifications, ensuring compatibility and performance for vehicles such as BMW models listed in the fitment.

Compatible BMW Models and Applications

This engine cooling fan switch is compatible with a range of BMW vehicles, including the 318i, 318is, 318ti, 325i, 325is, 325iX, 525i, 530i, 535i, 540i, 735i, 735iL, 740i, 740iL, 750iL, 840Ci, 850Ci, 850CSi, 850i, M3, M5, and Z3 models. It is designed to regulate the cooling fan operation in these vehicles, ensuring the engine maintains optimal temperature during various driving conditions.

  • Prevents engine overheating by activating the cooling fan at 97°C
  • Maintains efficient engine temperature control between 85°C and 97°C
  • Helps avoid cooling system failures related to faulty fan switches
  • Reduces risk of engine damage caused by excessive heat
  • Supports proper fan cycling to extend cooling system component life

Installation Notes and Tips

When installing the Vemo V20-99-1252 engine cooling fan switch, ensure the engine is cool to avoid burns or injury. The M14x1.5 thread size requires proper torque to prevent leaks or damage. Verify the 3-pole plug connection is secure and free of corrosion for reliable electrical contact. It is recommended to inspect the cooling system and fan operation after installation to confirm proper function.

Quality Assurance and Warranty

Vemo products, including the V20-99-1252 engine cooling fan switch, are manufactured to meet stringent quality standards. The VEMO line is known for durability and precision in automotive electrical components. While specific warranty details are not provided here, Vemo typically offers coverage consistent with OEM replacement parts, ensuring confidence in product reliability and performance.

BrandVemo
Part NumberV20-99-1252
PositionVEMO
Height [mm]55.7
Length [mm]24
Packaging Depth [cm]3
Packaging height [cm]3,3
Packaging width [cm]5,8
Plug Type ID3 polig
Switch Point [°C]97
Switch point from [°C]97
Switch point to [°C]85
Thread SizeM14x1,5
Weight [kg]0.072
Width [mm]24

This part fits 78 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
1997BMW318isBase1.9LL4N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1997BMW840CiBase4.4LV8N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1997BMW850CiBase5.4LV12N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1997BMWZ3Roadster2.8LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; To 05/1997; VEMO
1996BMW318isBase1.9LL4N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1996BMW840CiBase4.4LV8N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1996BMW850CiBase5.4LV12N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1996BMWZ3Roadster1.9LL4N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; To 07/1996; VEMO
1995BMW318iBase1.8LL4N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1995BMW318isBase1.8LL4N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1995BMW318tiBase1.8LL4N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; 91-99 Degrees C; VEMO
1995BMW325iBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; To 09/1995; VEMO
1995BMW325isBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; To 09/1995; VEMO
1995BMW525iBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1995BMW530iBase3.0LV8N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1995BMW540iBase4.0LV8N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1995BMW840CiBase4.0LV8N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1995BMW850CiBase5.4LV12N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1995BMW850CSiBase5.6LV12N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1995BMWM3Lightweight3.0LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; To 09/1995; VEMO
1995BMWM3Base3.0LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; To 09/1995; VEMO
1994BMW318iBase1.8LL4N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1994BMW318isBase1.8LL4N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1994BMW325iBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1994BMW325isBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1994BMW525iBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1994BMW530iBase3.0LV8N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1994BMW540iBase4.0LV8N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1994BMW740iBase4.0LV8N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1994BMW740iLBase4.0LV8N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1994BMW750iLBase5.0LV12N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1994BMW840CiBase4.0LV8N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1994BMW850CiBase5.0LV12N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1994BMW850CSiBase5.6LV12N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1993BMW318iBase1.8LL4N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1993BMW318isBase1.8LL4N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1993BMW325iBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1993BMW325isBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1993BMW525iBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1993BMW535iBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1993BMW740iBase4.0LV8N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1993BMW740iLBase4.0LV8N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1993BMW750iLBase5.0LV12N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1993BMW850CiBase5.0LV12N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1993BMWM5Base3.6LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1992BMW318iBase1.8LL4N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1992BMW318isBase1.8LL4N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1992BMW325iBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1992BMW325isBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1992BMW525iBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1992BMW535iBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1992BMW735iBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1992BMW735iLBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1992BMW750iLBase5.0LV12N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1992BMW850iBase5.0LV12N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1992BMWM5Base3.6LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1991BMW318iBase1.8LL4N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1991BMW318isBase1.8LL4N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1991BMW325iBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1991BMW325isBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1991BMW325iX2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1991BMW525iBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1991BMW535iBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1991BMW735iBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1991BMW735iLBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1991BMW750iLBase5.0LV12N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1991BMW850iBase5.0LV12N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1991BMWM3Base2.3LL4N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1991BMWM5Base3.6LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1990BMW325iBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1990BMW325isBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1990BMW325iX2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1990BMW525iBase2.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1990BMW535iBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1990BMW735iBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1990BMW735iLBase3.5LL6N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1990BMW750iLBase5.0LV12N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; VEMO
1990BMWM3Base2.3LL4N/AGrade: Aftermarket; Description: With Gasket; Thread Size: M14 x 1,5; Temperature Range (Celsius): 97-92 / 90-85 C; Plug (Connector): 3 Pins; 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:

1 378 0731S4766201152020906042262331461313013302083800183810050042604261 31 1 378 0736ZT00783700175617820220826748490862558090AT03-634401AT03634401SRF075SW940TS296

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