SKP SK2451290 Mass Air Flow Sensor

Mass Air Flow Sensor Overview

The SKP SK2451290 mass air flow sensor is a direct-fit replacement for select BMW air intake systems. It measures incoming air so the engine control system can calculate fuel delivery accurately, helping restore proper drivability when the original sensor is worn or failing.

Compatible With BMW 128i, 328i, 328i xDrive, 528i, Z4, 528i xDrive, X3, X5, 328xi, and 528xi applications across the listed model years. The SK2451290 is a practical replacement choice for BMW owners looking for a sensor that matches the original application.

• Measures intake air for precise fuel management
• Direct-fit replacement for select BMW applications
• Supports smoother engine response when the original sensor is inaccurate
• Cross-references Continental 5WK97508Z for the same application
• Also cross-references 2451290 and 13627551638

Fitment Details

Fits 2008-2013 BMW 128i, N/A.

Fits 2007-2013 BMW 328i, N/A.

Fits 2009-2013 BMW 328i xDrive, N/A.

Fits 2008-2011 BMW 528i, N/A.

Fits 2010-2011 BMW Z4, N/A.

Fits 2009-2010 BMW 528i xDrive, N/A.

Fits 2007-2010 BMW X3, N/A.

Fits 2007-2010 BMW X5, N/A.

Fits 2007-2008 BMW 328xi, N/A.

Fits 2008 BMW 528xi, N/A.

Common Replacement Uses

• Restoring accurate airflow measurement after sensor wear
• Addressing rough idle caused by incorrect air metering
• Correcting hesitation or poor throttle response linked to sensor faults
• Replacing a failed sensor that triggers drivability issues

Installation Notes

Verify the part number and connector style against the original sensor before installation. Inspect the intake tract for leaks, contamination, or damaged wiring so the replacement sensor can operate correctly.

Quality Assurance

SKP replacement parts are built for direct-fit service applications and are intended to match the original part number reference for the listed BMW models.