Beck Arnley 158-0942 Mass Air Flow Sensor

Reliable Mass Air Flow Sensor for BMW and Hyundai Models

The Beck Arnley 158-0942 Mass Air Flow Sensor is designed to provide accurate airflow measurement for select BMW and Hyundai vehicles. This sensor helps maintain optimal engine performance and emissions control by delivering precise data to the engine control unit.

• Compatible with BMW 320i, 323Ci, 323i, 325Ci, 325i, 325xi, 328Ci, 328i, 525i, 528i, Z3 and Hyundai Sonata models
• Part number 158-0942 ensures exact fit and function
• Monitors air intake to optimize fuel injection and combustion
• Manufactured by Beck Arnley, a trusted name in emission control sensors
• Contains lead as a chemical component, handle with care during installation

Product Details and Chemical Considerations

This Mass Air Flow Sensor (part number 158-0942) is engineered to measure the volume and density of air entering the engine, which is critical for maintaining the correct air-fuel ratio. It is compatible with a range of BMW models including the 320i, 323Ci, 325i, and Z3, as well as the Hyundai Sonata. The sensor contains lead, a chemical that requires careful handling to avoid contamination or exposure during installation or removal. Proper safety precautions should be observed to comply with environmental and health standards.

Common Applications and Issues Addressed

• Restores accurate air flow readings to improve engine efficiency
• Helps resolve rough idling and engine hesitation
• Reduces emissions by ensuring proper fuel mixture
• Prevents check engine light triggers related to air flow sensor faults
• Supports smooth acceleration and consistent engine performance

Installation Notes and Tips

When installing the Beck Arnley 158-0942 Mass Air Flow Sensor, ensure the engine is cool and disconnect the battery to prevent electrical shorts. Handle the sensor carefully to avoid damage to the sensitive components and minimize exposure to lead. Follow vehicle-specific service manual instructions for removal and installation to maintain sensor integrity and proper fitment on BMW 320i, 325xi, or Hyundai Sonata models.

Quality Assurance and Warranty Information

Beck Arnley products undergo rigorous quality control to meet OEM standards for emission control sensors. The 158-0942 Mass Air Flow Sensor is backed by a limited warranty, providing assurance of its durability and performance when installed correctly in compatible BMW and Hyundai vehicles.