Pierburg 7.22166.39.0 Secondary Air Injection Pump

Overview of Pierburg Secondary Air Injection Pump

The Pierburg 7.22166.39.0 is an electric secondary air injection pump designed specifically for BMW X5 models. This component plays a crucial role in the vehicle's emission control system by supporting efficient air injection during cold starts.

• Electric operating mode for reliable performance
• Designed for 12-volt electrical systems
• Technical Information Number: Si 1150-11 for precise reference
• Compatible with BMW X5 models requiring secondary air injection
• Part Number: 7.22166.39.0 ensures exact fitment

Technical Details and Specifications

The Pierburg secondary air injection pump operates electrically at 12 volts, providing consistent air flow to the exhaust system to reduce emissions during engine warm-up. The part is identified by the technical information number Si 1150-11, which corresponds to detailed manufacturer specifications. This pump is engineered to meet the emission control requirements of BMW X5 vehicles, ensuring proper integration with the existing air injection system.

Function and Application

This secondary air injection pump is used to inject fresh air into the exhaust stream, helping to reduce harmful emissions and improve catalytic converter efficiency during cold engine starts. It addresses several common issues, including:

• Excessive exhaust emissions during warm-up
• Check engine light triggered by air injection system faults
• Reduced catalytic converter performance
• Failed emissions tests related to secondary air injection
• Irregular engine idling caused by air injection malfunctions

Installation Notes and Tips

Installation of the Pierburg 7.22166.39.0 secondary air injection pump should be performed by a qualified technician familiar with BMW X5 emission systems. Ensure the vehicle’s 12-volt electrical system is functioning properly before installation. Verify the part number matches the original component to maintain system integrity. Proper sealing and secure mounting are essential to prevent air leaks and ensure optimal pump operation.

Quality Assurance and Warranty

Manufactured by Pierburg, a recognized supplier of emission control components, this secondary air injection pump adheres to strict quality standards. The part is tested for durability and performance to meet OEM specifications. Warranty coverage details should be confirmed at the point of purchase, typically including protection against manufacturing defects.