HomeEmission Control > Air Injection SystemPierburg 7.28124.20.0 Secondary Air Injection Pump
Part #: 7.28124.20.0

Pierburg 7.28124.20.0 Secondary Air Injection Pump

12 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, X3 and Z4
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Reliable Secondary Air Injection Pump for BMW X3 and Z4

The Pierburg 7.28124.20.0 secondary air injection pump is designed to support emission control systems in select BMW models. This electric pump ensures efficient air injection to reduce exhaust emissions, maintaining compliance with environmental standards.

  • Electric operating mode for consistent performance
  • 12 Volt voltage specification compatible with BMW electrical systems
  • Technical Information Number Si 1150-11 for reference
  • Compatible with BMW X3 and Z4 models
  • Part number 7.28124.20.0 for precise identification

Product Details and Technical Specifications

The Pierburg secondary air injection pump operates electrically at 12 volts, providing reliable air flow to the exhaust system during cold starts. This function helps reduce harmful emissions by injecting fresh air into the exhaust manifold, promoting faster catalytic converter activation. The pump is engineered to meet the specific requirements of BMW X3 and Z4 vehicles, ensuring proper fitment and operation. The Technical Information Number Si 1150-11 offers additional reference for installation and maintenance procedures.

Compatible BMW Models and Applications

This secondary air injection pump is compatible with the following BMW models:

  • BMW X3
  • BMW Z4

Using the correct part number 7.28124.20.0 ensures compatibility and optimal performance within these vehicles' emission control systems.

Common Issues Addressed by This Pump

  • Reduced engine emissions during cold start
  • Check engine light triggered by secondary air system faults
  • Failed emissions tests related to air injection system
  • Rough idling or poor engine performance due to air injection failure
  • Unusual noises from the secondary air injection pump

Installation Notes and Tips

Installation of the Pierburg 7.28124.20.0 secondary air injection pump should be performed by a qualified technician familiar with BMW emission systems. Ensure the vehicle’s electrical system is disconnected before installation to prevent damage. Verify the pump’s voltage rating of 12 volts matches the vehicle specifications. Follow the Technical Information Number Si 1150-11 for detailed installation instructions and torque specifications.

Quality Assurance and Warranty Information

Pierburg manufactures this secondary air injection pump to meet OEM standards for durability and performance. The part undergoes rigorous quality control to ensure reliable operation within BMW X3 and Z4 emission systems. Warranty coverage details should be confirmed at the time of purchase, typically covering defects in materials and workmanship.

BrandPierburg
Part Number7.28124.20.0
Operating ModeElectric
Technical Information NumberSI 1150-11
Voltage [V]12

This part fits 12 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
2006BMWX3Sport Utility3.0LL6N/Awith OE No. 11727571591
2006BMWX3Sport Utility2.5LL6N/Awith OE No. 11727571591
2005BMWX3Sport Utility3.0LL6N/Awith OE No. 11727571591
2005BMWX3Sport Utility2.5LL6N/Awith OE No. 11727571591
2005BMWZ4Convertible3.0LL6N/A
2005BMWZ4Convertible2.5LL6N/A
2004BMWX3Sport Utility3.0LL6N/Awith OE No. 11727571591
2004BMWX3Sport Utility2.5LL6N/Awith OE No. 11727571591
2004BMWZ4Convertible3.0LL6N/A
2004BMWZ4Convertible2.5LL6N/A
2003BMWZ4Convertible3.0LL6N/A
2003BMWZ4Convertible2.5LL6N/A

* 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:

117204219931172751389011727514953117275715911172757208475149537571591

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