Pierburg 7.22166.38.0 Secondary Air Injection Pump

Overview of Pierburg Secondary Air Injection Pump

The Pierburg 7.22166.38.0 is an electric secondary air injection pump designed for specific BMW models. This component plays a crucial role in the emission control system by reducing harmful exhaust emissions during cold starts.

• Electric operating mode for efficient air injection
• 12 Volt voltage specification compatible with BMW electrical systems
• Technical Information Number Si 1150-11 for reference
• Compatible with BMW 318i, 318is, 318ti, and Z3 models
• Part number 7.22166.38.0 ensures exact fitment and performance

Detailed Product Description

The Pierburg secondary air injection pump 7.22166.38.0 operates electrically at 12 volts, providing reliable air injection to the exhaust system. This pump supports the emission control system by injecting fresh air into the exhaust manifold during cold engine starts, which helps to reduce hydrocarbon and carbon monoxide emissions. The pump is engineered to meet the specifications outlined in Technical Information Number Si 1150-11, ensuring compatibility and performance with the BMW 318i, 318is, 318ti, and Z3 models. Its electric operation mode allows for precise control and integration with the vehicle’s emission management system.

Applications and Problem Solving

• Reduces cold start emissions by supplying secondary air
• Helps prevent check engine light triggers related to air injection faults
• Addresses rough idle or poor engine performance caused by faulty air injection
• Supports compliance with emission regulations for BMW 318i, 318is, 318ti, and Z3
• Replaces malfunctioning or worn secondary air injection pumps

Installation Notes and Tips

Installation of the Pierburg 7.22166.38.0 secondary air injection pump should be performed by a qualified technician familiar with BMW emission systems. Ensure the vehicle’s battery is disconnected before installation to avoid electrical hazards. Verify the pump’s electrical connections and mounting points correspond to the original equipment. After installation, perform a diagnostic check to confirm proper operation and absence of fault codes related to the air injection system.

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 7.22166.38.0 is backed by Pierburg’s quality control processes. Warranty coverage details should be confirmed at the point of purchase, typically including protection against manufacturing defects.