Standard Ignition MAS0471 Mass Air Flow Sensor

Overview of Standard Ignition Mass Air Flow Sensor MAS0471

The Standard Ignition MAS0471 Mass Air Flow Sensor is designed for precise air measurement in select BMW models. This new sensor ensures accurate airflow data for optimal engine performance and emission control.

• Attachment Method: Bolt on for secure installation
• Connector Gender: Female with one oval-shaped connector
• Material: Durable plastic housing
• Number of Bolt Holes: 2 for stable mounting
• Terminal Type: Four male pin terminals
• New sensor, sold as sensor only

Detailed Product Description

The MAS0471 Mass Air Flow Sensor from Standard Ignition is engineered to provide reliable airflow measurement critical for engine management systems. Featuring a bolt-on attachment method and two bolt holes, this sensor offers a secure fitment in the air intake system. The female oval connector with a single connection point simplifies wiring compatibility, while the four male pin terminals ensure consistent electrical contact. Constructed from durable plastic, the sensor housing withstands typical engine bay conditions. This new sensor is designed specifically for a range of BMW vehicles, including the 230i, 330i xDrive, 530e, 740i xDrive, and X3 models, among others.

Compatible BMW Models and Applications

This mass air flow sensor is compatible with various BMW models, including:

• BMW 230i and 230i xDrive
• BMW 320i and 320i xDrive
• BMW 330e, 330i, 330i GT xDrive, and 330i xDrive
• BMW 340i, 340i GT xDrive, and 340i xDrive
• BMW 430i, 430i Gran Coupe, 430i xDrive, and 430i xDrive Gran Coupe
• BMW 440i, 440i Gran Coupe, 440i xDrive, and 440i xDrive Gran Coupe
• BMW 530e, 530e xDrive, 530i, and 530i xDrive
• BMW 540i and 540i xDrive
• BMW 640i xDrive Gran Turismo
• BMW 740e xDrive, 740i, 740i xDrive
• BMW 750i and 750i xDrive
• BMW M240i and M240i xDrive
• BMW X3 and X4

Common Issues Addressed by MAS0471 Sensor

• Erratic engine idle or stalling
• Reduced fuel efficiency and increased emissions
• Check Engine Light triggered by airflow sensor faults
• Poor acceleration or hesitation during throttle response
• Engine performance issues related to inaccurate air measurement

Installation Notes and Tips

Installation of the MAS0471 sensor requires removal of the old sensor and securing the new unit using the two bolt holes. Ensure the female oval connector is properly aligned and fully seated to avoid electrical connection issues. Handle the sensor carefully to prevent damage to the plastic housing and terminals. It is recommended to verify compatibility with your specific BMW model before installation.

Quality Assurance and Warranty

Standard Ignition provides this MAS0471 Mass Air Flow Sensor as a new, direct replacement part manufactured to meet OEM specifications. The sensor undergoes quality control testing to ensure reliable performance. Warranty coverage details should be confirmed at the time of purchase, typically including protection against manufacturing defects.