Standard Ignition MAS0470 Mass Air Flow Sensor

Overview of Standard Ignition Mass Air Flow Sensor MAS0470

The Standard Ignition MAS0470 Mass Air Flow Sensor is designed for precise air measurement in BMW vehicles, including models like the 550i, 650i, 750i, X5, and X6. This new sensor ensures accurate airflow data to optimize engine performance and emissions control.

• Attachment Method: Bolt on for secure installation
• Connector Gender: Female with one oval-shaped connector
• Terminal Type: Four male pin terminals
• Material: Durable plastic housing (sensor only, housing not included)
• Number of Bolt Holes: Two for stable mounting
• New, not remanufactured, ensuring reliable operation

Detailed Product Description

The Standard Ignition MAS0470 is a new mass air flow sensor engineered to provide accurate airflow measurement for BMW models such as the 550i, 550i GT xDrive, 650i Gran Coupe, 750Li xDrive, and X6. This sensor bolts directly onto the intake system using two bolt holes, ensuring a secure fit. It features a female oval connector with one connection point and four male pin terminals, facilitating a reliable electrical connection. The sensor is constructed from high-quality plastic, designed to withstand engine bay conditions. Note that this product includes the sensor only; the housing is not part of this assembly.

Compatible BMW Models and Applications

This mass air flow sensor is compatible with a range of BMW vehicles, including:

• BMW 550i, 550i GT, 550i GT xDrive, 550i xDrive
• BMW 650i, 650i Gran Coupe, 650i xDrive, 650i xDrive Gran Coupe
• BMW 750i, 750i xDrive, 750Li, 750Li xDrive
• BMW X5 and X6 models

Common Issues Addressed by MAS0470 Sensor

• Erratic engine idle or stalling
• Poor fuel economy due to incorrect air measurement
• Check Engine Light triggered by airflow sensor faults
• Reduced engine power and acceleration
• Failed emissions tests related to air-fuel mixture imbalance

Installation Notes and Tips

Installation of the Standard Ignition MAS0470 sensor requires unbolting the old sensor and securing the new one using the two bolt holes. Ensure the female oval connector is properly aligned and fully seated to avoid electrical issues. Since the housing is not included, verify the existing housing is in good condition before installation. It is recommended to disconnect the battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Standard Ignition provides this MAS0470 mass air flow sensor as a new, high-quality replacement part. It undergoes rigorous testing to meet OEM specifications for fit, form, and function. While specific warranty details may vary, Standard Ignition parts typically come with a limited warranty covering defects in materials and workmanship.