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Pierburg 7.28124.20.0 Secondary Air Injection Pump
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.
| Brand | Pierburg |
|---|---|
| Part Number | 7.28124.20.0 |
| Operating Mode | Electric |
| Technical Information Number | SI 1150-11 |
| Voltage [V] | 12 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2006 | BMW | X3 | Sport Utility | 3.0L | L6 | N/A | with OE No. 11727571591 |
| 2006 | BMW | X3 | Sport Utility | 2.5L | L6 | N/A | with OE No. 11727571591 |
| 2005 | BMW | X3 | Sport Utility | 3.0L | L6 | N/A | with OE No. 11727571591 |
| 2005 | BMW | X3 | Sport Utility | 2.5L | L6 | N/A | with OE No. 11727571591 |
| 2005 | BMW | Z4 | Convertible | 3.0L | L6 | N/A | |
| 2005 | BMW | Z4 | Convertible | 2.5L | L6 | N/A | |
| 2004 | BMW | X3 | Sport Utility | 3.0L | L6 | N/A | with OE No. 11727571591 |
| 2004 | BMW | X3 | Sport Utility | 2.5L | L6 | N/A | with OE No. 11727571591 |
| 2004 | BMW | Z4 | Convertible | 3.0L | L6 | N/A | |
| 2004 | BMW | Z4 | Convertible | 2.5L | L6 | N/A | |
| 2003 | BMW | Z4 | Convertible | 3.0L | L6 | N/A | |
| 2003 | BMW | Z4 | Convertible | 2.5L | L6 | N/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.