Cardone 33-2201M Secondary Air Injection Pump

Cardone Smog Air Pump for BMW Emissions Repair

Restore secondary air injection performance with the Cardone Smog Air Pump, part number 33-2201M. This remanufactured pump is built for BMW emissions service and is engineered for direct installation, accurate air output, and dependable operation on 1996-1999 BMW 328i, 328is, M3, 323i, and 323is applications.

Cardone’s Smog Air Pump line focuses on application-specific vane sizing and shape, helping maintain proper airflow for the vehicle’s emissions system. The 33-2201M is a remanufactured secondary air injection pump that includes the necessary components for installation and is designed to meet current emissions requirements.

Key Features

• 100% testing of every unit for consistent performance
• Guaranteed fit and function for the listed BMW applications
• New carbon shoes and vanes on every unit for accurate air output
• High-temperature grease helps extend bearing life
• Meets or exceeds OEM performance targets
• Package contents: smog pump and instruction sheet
• 3 mounting holes for application-specific installation
• No pulley included

Detailed Product Overview

The Cardone 33-2201M secondary air injection pump is a remanufactured emissions component for BMW models that rely on a functioning smog air pump to support cold-start emissions control. It is engineered to deliver the correct flow characteristics for the application, with attention to vane design and internal wear components that affect pump output and service life. This part cross-references BMW 11721744490 for the same application.

Compatible With 1996-1999 BMW 328i, 1996-1999 BMW 328is, 1996-1999 BMW M3, 1998-1999 BMW 323i, and 1998-1999 BMW 323is. If you are replacing a failed BMW secondary air injection pump, 33-2201M provides a direct-fit remanufactured solution for emissions system repair.

Common Issues This Part Can Address

• Secondary air injection pump failure codes
• Insufficient air delivery during cold start
• Emissions test failures related to the air injection system
• Noise from a worn or damaged smog pump
• Reduced pump output from worn internal vanes or bearings

Installation Notes and Tips

Verify the vehicle’s original part number and mounting configuration before installation. The pump uses 3 mounting holes and does not include a pulley, so confirm pulley reuse or replacement requirements during service. Follow the included instruction sheet and inspect related air injection hoses, check valves, and electrical connections for wear before completing the repair.

Quality Assurance

Cardone remanufactured smog pumps are tested individually and built with new carbon shoes and vanes, plus high-temperature bearing grease, to support reliable operation and longer service life. The 33-2201M is engineered to meet or exceed OEM performance expectations for the listed BMW applications.