Spectra MA466 Mass Air Flow Sensor

Spectra MA466 Mass Air Flow Sensor

The Spectra MA466 mass air flow sensor is built for precise airflow measurement in select BMW applications. It uses a programmable ceramic circuit board with premium-grade silicon coating to help protect the sensor from under-hood heat swings and road vibration, while platinum resistance thermometer technology supports quicker signal response and consistent readings.

Key Features

• Mass Air Flow Sensor for emission control and engine management
• Programmable ceramic circuit board with protective silicon coating
• Platinum resistance thermometer sensors for responsive signal output
• Engineered for heat and vibration resistance in demanding under-hood conditions
• Direct replacement part number: MA466

Detailed Description

Use the Spectra MA466 when servicing BMW air metering systems that rely on accurate intake airflow data for fuel and drivability control. This sensor is listed for multiple BMW 550i, 650i, 750i, X5, and X6 applications, including select xDrive and Gran Coupe models. This part cross-references Bosch 0280218417 for the same application. The MA466 is also referenced by part number MA466 for ordering and catalog lookup.

What It Helps Address

• Rough idle caused by inaccurate airflow readings
• Check engine lights related to mass air flow sensor faults
• Hesitation or poor throttle response during acceleration
• Fuel trim issues tied to incorrect intake air measurement
• Drivability problems on BMW 550i, 650i, 750i, X5, and X6 models

Installation Notes and Tips

Verify the connector style and sensor location against the original unit before installation. Confirm vehicle application by year, make, and model, since this part is listed for multiple BMW configurations from 2011 through 2019. After installation, clear diagnostic trouble codes and perform any required relearn or adaptation procedures according to the vehicle service information.

Quality Assurance

Spectra builds this sensor with a ceramic circuit board and protective coating to support stable operation in harsh engine-bay conditions. The MA466 is engineered for consistent signal response and dependable airflow measurement across the listed BMW applications.