Cardone 33-2001M Secondary Air Injection Pump

Cardone Smog Air Pump for BMW Emissions Repair

Cardone Smog Air Pump 33-2001M is a remanufactured secondary air injection pump built for BMW emissions service. It is engineered for direct installation, accurate air output, and dependable operation on BMW 318ti, 318i, 318is, and Z3 applications.

Key Features

• 100% tested for reliable performance
• Guaranteed fit and function for the listed BMW applications
• Meets or exceeds O.E.M. performance requirements
• New carbon shoes and vanes on every unit for accurate air delivery
• High-temperature grease helps extend bearing life
• Includes the smog pump and instruction sheet
• 3 mounting holes for application-specific installation
• No pulley included

Product Details

The Cardone Smog Air Pump brand line focuses on remanufactured secondary air injection components that are built for straightforward replacement and consistent emissions-system performance. For this application, Cardone pays close attention to vane size and shape so the pump maintains proper flow on the vehicle it was built for. Part number 33-2001M is a direct-fit emissions component for BMW secondary air injection service, and it cross-references BMW 11721433818 for the same application.

Compatible With 1996-1999 BMW 318ti, 1996-1998 BMW 318i, 1996-1998 BMW Z3, and 1996-1997 BMW 318is. This BMW 318i smog air pump replacement is also a practical choice when servicing a BMW Z3 or BMW 318ti emissions fault tied to the secondary air system.

Common Issues This Part May Address

• Secondary air injection pump failure
• Emissions test failure related to insufficient air delivery
• Check engine light concerns tied to the air injection system
• Noisy or worn pump bearings
• Reduced airflow from damaged vanes or carbon shoes

Installation Notes and Tips

Verify the vehicle’s original part number and mounting configuration before installation. This pump uses 3 mounting holes and is supplied without a pulley, so confirm the existing drive setup and inspect related hoses, inlets, and outlets for wear or damage before reassembly. Follow the included instruction sheet and check for stored emissions codes after installation.

Quality Assurance

Each unit is fully tested before release to help ensure consistent operation. Cardone remanufacturing standards include new carbon shoes and vanes, plus high-temperature grease for bearing durability, supporting reliable secondary air injection performance on the listed BMW applications.