Standard Ignition MAS0412 Mass Air Flow Sensor

Reliable Mass Air Flow Sensor for BMW Models

The Standard Ignition MAS0412 Mass Air Flow Sensor is designed to provide accurate airflow measurement for a range of BMW vehicles. This sensor ensures optimal engine performance by delivering precise data to the engine control unit.

• Compatible with BMW 550i, 550i GT, 550i GT xDrive, 550i xDrive, 650i, 650i Gran Coupe, 650i xDrive, 650i xDrive Gran Coupe, 750i, 750i xDrive, 750Li, 750Li xDrive, X5, and X6 models
• OEM-quality replacement part for consistent engine management
• Part number MAS0412 for easy identification and fitment
• Designed to maintain proper air-fuel mixture and improve fuel efficiency
• Direct fit sensor for straightforward installation

Product Overview and Functionality

The Standard Ignition MAS0412 Mass Air Flow Sensor measures the volume and density of air entering the engine. This information is critical for the engine control unit to calculate the correct amount of fuel for combustion. Accurate airflow measurement helps maintain engine efficiency, reduces emissions, and supports smooth acceleration. This sensor is engineered to meet the specifications required by BMW models including the 550i and 750Li series, ensuring reliable performance and compatibility.

Common Applications and Problem Resolution

• Restores proper engine idle and acceleration response
• Resolves issues related to poor fuel economy
• Eliminates engine stalling or hesitation during acceleration
• Corrects check engine light triggers related to airflow sensor faults
• Improves overall engine performance and emissions control

Installation Notes and Tips

Installation of the Standard Ignition MAS0412 sensor is straightforward with a direct fit design. Before installation, ensure the engine is cool and disconnect the battery to prevent electrical issues. Carefully remove the old sensor and clean the mounting area to avoid contamination. Connect the new sensor securely and verify all electrical connections are tight. After installation, it is recommended to clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The MAS0412 Mass Air Flow Sensor undergoes rigorous quality control testing to ensure consistent functionality. This part is backed by a limited warranty, offering coverage against defects in materials and workmanship under normal use conditions.