Delphi AF10225 Mass Air Flow Sensor

Delphi Mass Air Flow Sensor for BMW 540i 740i 840Ci

The Delphi AF10225 Mass Air Flow Sensor is designed to provide accurate airflow measurement for select BMW models. Engineered for precision, this sensor helps maintain optimal engine performance and emission control.

• Color: Black housing
• Mounting Type: Bolt-on installation
• Connector Quantity: 1 with a round female connector
• Terminal Type: Pin with 4 male terminals
• Wiring Harness: Not included
• Package Contents: Sensor probe and instruction sheet
• Item Grade: Premium quality

Detailed Product Description

The Delphi AF10225 Mass Air Flow Sensor is a critical component in the emission control system, specifically designed for BMW 540i, 740i, 740iL, and 840Ci models. This sensor measures the amount of air entering the engine, allowing the engine control unit to adjust fuel injection for efficient combustion. The sensor features a bolt-on mounting type for secure installation and a single round female connector with four male pin terminals, ensuring reliable electrical connections. The black sensor probe is supplied without a housing or wiring harness, making it compatible with existing vehicle harnesses. This premium-grade sensor meets OEM specifications to support consistent engine performance and emission standards.

Common Applications and Issues Resolved

• Helps correct rough idling and engine hesitation
• Addresses poor fuel economy caused by inaccurate airflow readings
• Resolves check engine light triggers related to airflow sensor faults
• Improves acceleration response in BMW 540i, 740i, 740iL, and 840Ci
• Supports emission control compliance by providing accurate air measurement

Installation Notes and Tips

Installation of the Delphi AF10225 sensor requires removal of the old sensor and bolt-on mounting of the new unit. Ensure the connector is properly aligned with the round female connector and that all four male terminals are securely engaged. Since the wiring harness is not included, verify compatibility with your vehicle’s existing harness before installation. Follow the included instruction sheet carefully to avoid damage to the sensor or connector pins.

Quality Assurance and Warranty

Delphi manufactures the AF10225 Mass Air Flow Sensor to meet strict quality standards. This premium-grade sensor is tested for durability and accuracy to ensure reliable operation in BMW 540i, 740i, 740iL, and 840Ci vehicles. While specific warranty details may vary, Delphi products typically come with a limited warranty covering defects in materials and workmanship.