Cardone 86-10055 Mass Air Flow Sensor

Mass Air Flow Sensor for BMW Engine Management

Restore accurate airflow measurement with this Cardone Mass Air Flow Sensor, part number 86-10055. It is built for BMW engine management systems that depend on precise sensor feedback for stable idle quality, throttle response, and fuel control.

Compatible With BMW X5, 330xi, 330Ci, 330i, 530i, and Z3 applications listed below, this replacement sensor is engineered to track original equipment output curves and maintain tight tolerances for reliable scan tool readings.

Key Features

• Cardone Mass Air Flow Sensor, part number 86-10055
• Guaranteed O.E. fit and function
• Tracks original equipment output curves for accurate engine control feedback
• 100% tested with automated computer test equipment
• Built to handle temperature and altitude variation
• Black plastic housing with bolt-on mounting
• Housing included; instruction sheet included

Product Details

Cardone’s Mass Air Flow Sensor line focuses on precise signal output for modern engine management systems. This unit is engineered to maintain strict tolerances so the ECU receives accurate airflow data, helping the vehicle manage fuel delivery and drivability correctly. The design is rated for demanding environmental conditions, making it a practical replacement for BMW models that rely on consistent sensor performance.

This part cross-references BMW 13621438871 and 13627567451 for the same application.

What It Helps Fix

• Hesitation during acceleration
• Stalling or intermittent engine shutdown
• Poor fuel economy
• Poor engine performance
• Faulty airflow signal readings that trigger drivability concerns

Installation Notes

Fits 2004-2006 BMW X5, N/A; 2001-2005 BMW 330xi, N/A; 2003 BMW 330Ci, N/A; 2003 BMW 330i, N/A; 2001-2003 BMW 530i, N/A; 2001-2003 BMW X5, N/A; 2001-2002 BMW 330Ci, N/A; 2001-2002 BMW 330i, N/A; and 2001-2002 BMW Z3, N/A. Verify the air intake tract, connectors, and wiring before installation. Check for dirt, debris, split ducts, loose terminals, or damaged wiring that could affect the replacement sensor.

Common failure sources include over-voltage, shorted wiring, moisture intrusion, cracked circuit boards, burnt sensing elements, poor solder joints, and intake obstructions. After installation, confirm the engine runs smoothly and scan tool readings are within specification.

Quality Assurance

Every Cardone 86-10055 sensor is tested with automated computer equipment to confirm functionality and reliability. The unit is engineered to match OE output behavior and maintain accurate feedback across a broad range of operating conditions.