Cardone 74-20071 Mass Air Flow Sensor

Cardone Mass Air Flow Sensor for BMW 325e and 528e

Restore accurate airflow measurement with this remanufactured Cardone Mass Air Flow Sensor, part number 74-20071. It is built to track original equipment output curves and maintain tight tolerances for reliable scan tool readings and smooth engine operation on select BMW 325e and 528e applications.

Key Features

• Remanufactured Original Equipment-style mass air flow sensor for precise fit and function
• Tracks O.E. output curves to support accurate engine control feedback
• 100% re-soldering of critical components for stronger electrical connections
• Automated computer testing for full functionality and reliability
• On-car validation routines for form, fit, durability, and performance
• Aluminum housing with bolt-on mounting and gray finish
• Package contents include the mass air flow sensor, gasket, and instruction sheet

Product Details

Cardone’s Mass Air Flow Sensor line focuses on restoring accurate airflow signal output for engine management systems. This remanufactured unit is engineered to maintain specific tolerances, helping the vehicle’s control system read incoming air correctly and respond with proper fuel delivery and drivability. For BMW 325e and BMW 528e owners searching for a remanufactured BMW mass air flow sensor, part number 74-20071 offers an OE-style replacement built around tested electrical performance and validated fitment.

This part cross-references BMW numbers 0280202066 and 13621466356 for the same application.

Common Issues It Can Help Resolve

• Hesitation during acceleration
• Stalling or intermittent engine operation
• Poor fuel economy
• Poor engine performance
• Faulty airflow signal readings from a worn or damaged sensor

Installation Notes and Tips

Fits 1984 BMW 528e, N/A; Fits 1984-1987 BMW 325e, N/A; Fits 1985-1986 BMW 528e, N/A; Fits 1987 BMW 528e, N/A before 03/1987. Inspect the air filter, intake tract, connectors, and wiring before installation to avoid repeat failure. Check for dirt, debris, moisture intrusion, cracked ducts, or loose electrical connections, and confirm the replacement sensor is seated securely with the supplied gasket.

Quality Assurance

Each sensor is 100% tested with automated computer equipment, and Cardone validates modules on vehicle to confirm form, fit, durability, and performance requirements. The remanufacturing process also reduces raw material and energy use compared with producing a new part.