Hitachi MAF5115 Mass Air Flow Sensor

Reliable Mass Air Flow Sensor for BMW 328d and X3 Models

The Hitachi MAF5115 Mass Air Flow Sensor is designed to provide accurate airflow measurement for BMW vehicles, including the 328d, 328d xDrive, and X3 models. This sensor helps maintain optimal engine performance and emissions control by delivering precise data to the engine control unit.

Key Features of Hitachi MAF5115

• Manufactured by Hitachi, a trusted name in automotive sensors
• Compatible with BMW 328d, 328d xDrive, and X3 models
• Ensures accurate measurement of incoming air volume
• Supports efficient fuel injection and engine management
• Part number MAF5115 for easy identification and replacement

Detailed Product Description

The Hitachi MAF5115 Mass Air Flow Sensor is engineered to monitor the amount of air entering the engine intake system. By providing real-time airflow data, it enables the engine control unit to adjust fuel delivery and ignition timing accurately. This sensor is essential for maintaining the balance between fuel efficiency and emissions compliance in BMW diesel models such as the 328d and 328d xDrive, as well as the X3. The precise fitment ensures seamless integration with the vehicle’s existing emission control system.

Common Applications and Issues Addressed

• Helps resolve rough idling and engine hesitation
• Improves fuel economy by optimizing air-fuel mixture
• Reduces emissions by supporting proper combustion
• Prevents check engine light triggers related to airflow sensor faults
• Addresses poor acceleration and engine stalling problems

Installation Notes and Tips

When installing the Hitachi MAF5115 sensor, ensure the engine is off and cool. Carefully disconnect the electrical connector and remove the old sensor without damaging the intake system. Install the new sensor securely, making sure the part number matches MAF5115 for correct fitment on BMW 328d, 328d xDrive, and X3 models. After installation, clear any diagnostic trouble codes and verify sensor operation through a diagnostic tool.

Quality Assurance and Warranty

Hitachi manufactures the MAF5115 sensor to meet OEM standards for durability and performance. While specific warranty details may vary, Hitachi products typically come with a limited warranty covering defects in materials and workmanship. Using a genuine Hitachi sensor helps ensure reliable operation and compliance with emission control requirements for your BMW vehicle.