Pierburg 7.22166.66.0 Secondary Air Injection Pump

Overview of Pierburg Secondary Air Injection Pump

The Pierburg 7.22166.66.0 is an electric secondary air injection pump designed specifically for BMW 525i, 528i, and 530i models. This component plays a crucial role in emission control by supporting the air injection system to reduce exhaust emissions during cold starts.

• Electric operating mode for efficient performance
• 12 Volt voltage specification compatible with BMW electrical systems
• Technical Information Number Si 1150-11 for precise reference
• Compatible with BMW 525i, 528i, and 530i models
• Part number 7.22166.66.0 for accurate identification

Detailed Product Description

The Pierburg secondary air injection pump operates electrically at 12 volts, ensuring reliable activation of the air injection system in BMW 525i, 528i, and 530i vehicles. This pump helps introduce additional air into the exhaust stream during engine warm-up, which aids in reducing harmful emissions. The part number 7.22166.66.0 corresponds to a precise fitment and technical specification, referenced by Technical Information Number Si 1150-11, ensuring compatibility and performance consistency.

Function and Application

This secondary air injection pump is used to address several emission-related issues in BMW 525i, 528i, and 530i models, including:

• Reducing cold start emissions by injecting air into the exhaust manifold
• Improving catalytic converter efficiency during engine warm-up
• Preventing check engine light triggers related to air injection faults
• Maintaining compliance with emission regulations
• Supporting overall engine performance and emission control systems

Installation Notes and Tips

When installing the Pierburg 7.22166.66.0 secondary air injection pump, ensure the vehicle’s electrical system is compatible with the 12V operating voltage. Proper connection to the air injection system and secure mounting are essential for optimal function. It is recommended to verify the Technical Information Number Si 1150-11 for any specific installation instructions or service bulletins related to BMW 525i, 528i, and 530i models.

Quality Assurance and Warranty

Manufactured by Pierburg, a recognized supplier of emission control components, this secondary air injection pump meets OEM standards for fit and function. The part number 7.22166.66.0 undergoes quality checks to ensure durability and reliable operation within BMW emission systems. Warranty coverage details should be confirmed based on the point of purchase and local regulations.