Delphi AF10504 Mass Air Flow Sensor

Delphi Mass Air Flow Sensor AF10504 Overview

The Delphi Mass Air Flow Sensor AF10504 is designed for precise air intake measurement in select BMW models. This sensor ensures accurate engine performance by monitoring airflow, essential for optimal fuel injection and emission control.

• Color: Black and silver
• Mounting Type: Bolt-on for secure installation
• Connector Quantity: 1 with an oval female connector
• Terminal Type: Blade terminals, 5 male terminals
• Housing Included: No, probe only
• Wiring Harness Included: No
• Item Grade: Standard replacement quality
• Package Contents: Mass air flow sensor probe and instruction sheet

Technical Details and Compatibility

This Delphi AF10504 mass air flow sensor is engineered to meet the specifications required by BMW vehicles including the 535d, 535d xDrive, 740Ld xDrive, and X5 models. The sensor features a bolt-on mounting type for straightforward installation and a single oval-shaped female connector with five male blade terminals, ensuring reliable electrical connections. The black and silver sensor probe is designed without a housing, focusing on direct airflow measurement accuracy.

Function and Common Applications

The mass air flow sensor plays a critical role in engine management by measuring the volume and density of air entering the engine. This data helps the engine control unit (ECU) adjust fuel delivery for efficient combustion and emission control.

• Helps resolve rough idling or engine hesitation
• Addresses poor fuel economy due to inaccurate air measurement
• Corrects check engine light triggers related to airflow sensor faults
• Improves acceleration response and engine performance
• Supports emission system compliance in BMW diesel and gasoline engines

Installation Notes and Tips

Installation of the Delphi AF10504 sensor requires removal of the old sensor and bolt-on mounting of the new probe. Ensure the connector is securely attached to the oval female connector with blade terminals. Since the wiring harness is not included, reuse the existing harness from the original sensor. Follow the included instruction sheet carefully to avoid damage during installation.

Quality Assurance and Warranty

Delphi provides this mass air flow sensor as a standard replacement part, manufactured to meet OEM specifications for BMW vehicles. While specific warranty details are not provided, Delphi parts typically adhere to industry standards for durability and performance. Proper installation and vehicle compatibility are essential for optimal sensor function.