Pierburg 7.22166.02.0 Secondary Air Injection Pump

Reliable Secondary Air Injection Pump for BMW 540i and M5

The Pierburg 7.22166.02.0 secondary air injection pump is designed to support emission control systems in select BMW models. This electric pump ensures proper air injection to reduce exhaust emissions, maintaining compliance with environmental standards.

• Electric operating mode for efficient performance
• Compatible with BMW 540i and M5 models
• Operates on standard 12-volt electrical systems
• Technical Information Number: Si 1150-11 for reference
• OEM part number 7.22166.02.0 for accurate replacement

Product Details and Technical Specifications

The Pierburg secondary air injection pump (part number 7.22166.02.0) operates electrically at 12 volts, providing reliable air injection to the exhaust system. This pump is essential for the secondary air injection system, which helps reduce harmful emissions during cold starts by injecting fresh air into the exhaust manifold. The Technical Information Number Si 1150-11 corresponds to detailed manufacturer specifications, ensuring compatibility and performance standards are met. This pump is specifically engineered for BMW 540i and M5 models, making it a precise fit for these vehicles.

Purpose and Common Applications

• Supports emission control by reducing exhaust pollutants
• Helps prevent check engine light triggers related to air injection faults
• Improves cold start emissions performance
• Addresses issues with secondary air injection system failures
• Maintains compliance with environmental regulations

Installation Notes and Tips

Installation of the Pierburg 7.22166.02.0 secondary air injection pump should be performed by a qualified technician familiar with BMW emission systems. Ensure the vehicle’s electrical system is functioning properly and the 12-volt supply is stable. Verify all connections and hoses related to the air injection system are secure and free of leaks. After installation, perform a diagnostic scan to confirm the system is operating correctly and no fault codes remain.

Quality Assurance and Warranty Information

Pierburg manufactures this secondary air injection pump to meet OEM standards, ensuring durability and reliable operation. The part number 7.22166.02.0 undergoes rigorous quality control to maintain performance consistency. Warranty coverage details should be confirmed at the time of purchase, typically providing protection against manufacturing defects for a specified period.