HomeEmission Control > Air Injection SystemVemo V20-66-0004 Secondary Air Injection Pump Check Valve
Part #: V20-66-0004

Vemo V20-66-0004 Secondary Air Injection Pump Check Valve

VEMO
⚙️ 15 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$211.72Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦VEMO
🚗Fitment: BMW, M3, Z3, and Z4
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Secondary Air Injection Pump Check Valve for BMW M3, Z3, and Z4

The Vemo VEMO Secondary Air Injection Pump Check Valve (Part Number V20-66-0004) is designed to maintain optimal emission control in select BMW models. Engineered for pneumatic operation, this diaphragm valve ensures efficient air injection system performance in BMW M3, Z3, and Z4 vehicles.

  • Dimensions: 110 mm length, 95 mm width, 90 mm height
  • Operating Mode: Pneumatic
  • Valve Type: Diaphragm valve for precise air flow control
  • Voltage: 12 V compatible with vehicle electrical systems
  • Weight: 0.225 kg for easy handling and installation

About the VEMO Brand Line

The VEMO brand line specializes in emission control components, focusing on durability and compatibility with European vehicles. This secondary air injection pump check valve is part of VEMO's commitment to providing reliable pneumatic valve solutions that meet OEM specifications for BMW models such as the M3, Z3, and Z4.

Product Details and Specifications

This secondary air injection pump check valve operates pneumatically using a diaphragm valve mechanism, which helps regulate the flow of air injected into the exhaust system to reduce emissions. Its compact size—110 mm in length, 95 mm in width, and 90 mm in height—allows for seamless integration into the air injection system. The 12-volt rating ensures compatibility with the electrical systems of BMW M3, Z3, and Z4 models. Weighing just 0.225 kg, the valve is lightweight yet robust enough to withstand typical operating conditions.

Common Applications and Problem Resolution

  • Prevents backflow in the secondary air injection system
  • Helps reduce harmful emissions by ensuring proper air injection
  • Addresses issues related to check valve failure such as rough idling or failed emissions tests
  • Supports the proper functioning of the air injection pump in BMW M3, Z3, and Z4
  • Mitigates exhaust system malfunctions caused by valve leaks or blockages

Installation Notes and Tips

When installing the Vemo VEMO Secondary Air Injection Pump Check Valve (V20-66-0004), ensure the valve is oriented correctly to maintain proper airflow direction. Verify that all pneumatic connections are secure and free of leaks. This valve is designed for direct replacement in compatible BMW M3, Z3, and Z4 models, so no modifications should be necessary. Consult the vehicle’s service manual for specific installation procedures and torque specifications.

Quality Assurance and Warranty

Vemo products undergo rigorous quality control to meet OEM standards for fit, form, and function. The VEMO Secondary Air Injection Pump Check Valve is manufactured to provide consistent performance and durability. While specific warranty details are not provided here, Vemo typically offers coverage against manufacturing defects. Refer to the product packaging or official documentation for exact warranty terms.

BrandVemo
Part NumberV20-66-0004
PositionVEMO
Height [mm]90
Length [mm]110
Operating ModePneumatic
Valve typeDiaphragm valve
Voltage [V]12
Weight [kg]0.225
Width [mm]95

This part fits 15 vehicles. Search below:

YearMakeModelSubmodelBody TypeLitersCylindersPositionNotes
2008BMWZ4M Roadster3.2LL6N/AABS wheel speed sensor required for Headlight Washer Pump installation.; VEMO
2008BMWZ4M Coupe3.2LL6N/AABS wheel speed sensor required for Headlight Washer Pump installation.; VEMO
2007BMWZ4M Roadster3.2LL6N/AABS wheel speed sensor required for Headlight Washer Pump installation.; VEMO
2007BMWZ4M Coupe3.2LL6N/AABS wheel speed sensor required for Headlight Washer Pump installation.; VEMO
2006BMWM33.2LL6N/AABS wheel speed sensor required for Headlight Washer Pump installation.; VEMO
2006BMWZ4M Roadster3.2LL6N/AABS wheel speed sensor required for Headlight Washer Pump installation.; VEMO
2006BMWZ4M Coupe3.2LL6N/AABS wheel speed sensor required for Headlight Washer Pump installation.; VEMO
2005BMWM33.2LL6N/AABS wheel speed sensor required for Headlight Washer Pump installation.; VEMO
2004BMWM33.2LL6N/AABS wheel speed sensor required for Headlight Washer Pump installation.; VEMO
2003BMWM33.2LL6N/AABS wheel speed sensor required for Headlight Washer Pump installation.; VEMO
2002BMWM33.2LL6N/AABS wheel speed sensor required for Headlight Washer Pump installation.; VEMO
2002BMWZ33.2LL6N/AABS wheel speed sensor required for Headlight Washer Pump installation.; VEMO
2001BMWM33.2LL6N/AABS wheel speed sensor required for Headlight Washer Pump installation.; VEMO
2001BMWZ3M RoadsterConvertible3.2LL6N/AABS wheel speed sensor required for Headlight Washer Pump installation.; VEMO
2001BMWZ3M CoupeCoupe3.2LL6N/AABS wheel speed sensor required for Headlight Washer Pump installation.; 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:

11 72 7 830 68011 72 7 837 4567 830 6807 837 4567227480807227481807D1156DV179

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