Vemo V20-63-0034 Secondary Air Injection Pump
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 VEMO

Vemo V20-63-0034 Secondary Air Injection Pump

Brand Vemo V20-63-0034
Height [mm] 128
Length [mm] 185
Voltage [V] 12
Weight [kg] 1.029
Width [mm] 152
Product line VEMO
Fits BMW · 20 vehicles

Secondary air injection pump. Restores airflow for the emission control system.

12V operation. Matches standard automotive electrical systems.

VEMO line. Trusted brand for replacement emission components.

Cross-references 7 557 903 and 11 72 7 557 903 for the same application. See all 2.

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Secondary Air Injection Pump for BMW

Vemo V20-63-0034 is a 12-volt secondary air injection pump for BMW emission control systems. Built to match the OE reference 11727557903, it is sized at 185 mm long, 152 mm wide, and 128 mm high for direct replacement use in the air injection system.

Key Features

  • Secondary air injection pump for emission control service
  • 12 V electrical specification
  • Dimensions: 185 mm length, 152 mm width, 128 mm height
  • Weight: 1.029 kg
  • OE reference: 11727557903
  • Interchanges with 7 557 903 and 11 72 7 557 903

Product Details

VEMO V20-63-0034 is part of the VEMO product line, which focuses on OE-style replacement components for European vehicles. This secondary air injection pump is specified for BMW 128i, BMW 328i, BMW 328i xDrive, and BMW 328xi applications listed below, making it a targeted replacement for vehicles that use the OE number 11727557903. Vemo V20-63-0034 supports the air injection system by supplying the airflow needed during cold-start emissions operation.

This part cross-references 7 557 903 and 11 72 7 557 903 for the same application.

Vehicle Fitment

  • Fits 2008-2013 BMW 128i, N/A. Grade: Aftermarket; With OE No. 11727557903; VEMO
  • Fits 2007-2013 BMW 328i, N/A. Grade: Aftermarket; With OE No. 11727557903; VEMO
  • Fits 2009-2013 BMW 328i xDrive, N/A. Grade: Aftermarket; With OE No. 11727557903; VEMO
  • Fits 2007-2008 BMW 328xi, N/A. Grade: Aftermarket; With OE No. 11727557903; VEMO

Common Replacement Reasons

  • Secondary air pump failure codes during cold start
  • Reduced air injection flow in the emission control system
  • Noise from a worn or failing pump assembly
  • Check engine light related to secondary air system faults
  • OE-number match needed for BMW 128i, BMW 328i, or BMW 328i xDrive service

Installation Notes

Verify the OE number, connector style, and mounting dimensions before installation. Confirm the vehicle application against the listed BMW fitment, especially for BMW 328i, BMW 328i xDrive, and BMW 328xi models. Inspect related air injection hoses, valves, and electrical connections during replacement to help ensure proper system operation.

Quality Assurance

VEMO parts are positioned as OE-style replacement components for European vehicle applications. This pump is identified by the OE reference 11727557903 and the VEMO part number V20-63-0034 for accurate catalog matching.

Related reading

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2013BMW128iBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2013BMW328iBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2013BMW328i xDriveBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2012BMW128iBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2012BMW328iBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2012BMW328i xDriveBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2011BMW128iBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2011BMW328iBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2011BMW328i xDriveBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2010BMW128iBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2010BMW328iBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2010BMW328i xDriveBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2009BMW128iBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2009BMW328iBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2009BMW328i xDriveBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2008BMW128iBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2008BMW328iBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2008BMW328xiBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2007BMW328iBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
2007BMW328xiBase3.0LL6N/AGrade: Aftermarket; With OE No. 11727557903; VEMO
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
7 557 90311 72 7 557 903