Beck Arnley 158-1669 Mass Air Flow Sensor

Reliable Mass Air Flow Sensor for BMW Models

The Beck Arnley 158-1669 Mass Air Flow Sensor is engineered to provide accurate airflow measurement for optimal engine performance. Designed specifically for select BMW vehicles, this sensor ensures precise air intake data to support efficient fuel management.

• Direct replacement for BMW 550i, 650i, 750i, X5, and X6 models
• Part number 158-1669 ensures exact fit and function
• Measures air volume entering the engine for accurate fuel injection
• Compatible with both xDrive and Gran Coupe variants
• Manufactured to meet OEM specifications for reliable operation

Product Details and Compatibility

This Beck Arnley Mass Air Flow Sensor (part number 158-1669) is compatible with a range of BMW vehicles including the 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. It accurately measures the amount of air entering the engine, which is critical for the engine control unit to adjust fuel delivery and maintain optimal combustion. This sensor supports both naturally aspirated and turbocharged engines found in these BMW models.

Common Issues Addressed by This Sensor

• Engine hesitation or stalling during acceleration
• Poor fuel economy due to incorrect air-fuel mixture
• Check engine light triggered by airflow sensor faults
• Rough idling or inconsistent engine performance
• Failed emissions tests related to air intake measurement

Installation Notes and Tips

When installing the Beck Arnley 158-1669 Mass Air Flow Sensor, ensure the engine is cool and the ignition is off. Carefully disconnect the electrical connector and remove the old sensor without damaging the intake system. Install the new sensor securely, making sure the connector is fully seated to avoid signal issues. It is recommended to clear any diagnostic trouble codes after installation and verify proper sensor operation through a scan tool.

Quality Assurance and Warranty

Beck Arnley parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 158-1669 Mass Air Flow Sensor undergoes rigorous quality control to ensure consistent operation. Please refer to Beck Arnley’s warranty policy for specific coverage details.