Beck Arnley 158-1561 Mass Air Flow Sensor

Reliable Mass Air Flow Sensor for BMW Models

The Beck Arnley 158-1561 Mass Air Flow Sensor is designed to provide accurate airflow measurement for BMW vehicles including the 325Ci, 325i, 330Ci, 330i, X3, and Z4. This sensor helps maintain optimal engine performance by ensuring precise air intake readings.

• Compatible with BMW 325Ci, 325i, 330Ci, 330i, X3, and Z4 models
• Part number 158-1561 for exact fit and function
• Measures air intake to optimize engine fuel mixture
• Manufactured by Beck Arnley, a trusted name in emission control sensors
• Contains lead as a chemical component, handle with care

Product Details and Specifications

The Beck Arnley 158-1561 Mass Air Flow Sensor is an essential component in the emission control system of select BMW vehicles. It accurately measures the volume and density of air entering the engine, allowing the engine control unit (ECU) to adjust fuel injection accordingly. This sensor is critical for maintaining efficient combustion and reducing emissions. Note that this sensor contains lead, a chemical that requires proper handling and disposal according to local regulations.

Compatible BMW Models and Applications

• BMW 325Ci
• BMW 325i
• BMW 330Ci
• BMW 330i
• BMW X3
• BMW Z4

Common Issues Addressed by This Sensor

• Engine hesitation or stalling due to incorrect air-fuel mixture
• Check engine light triggered by faulty airflow readings
• Poor fuel economy caused by inaccurate sensor data
• Rough idling or reduced engine power
• Failed emissions tests related to air intake measurement

Installation Notes and Tips

When installing the Beck Arnley 158-1561 Mass Air Flow Sensor, ensure the engine is cool and the ignition is off. Handle the sensor carefully to avoid damage to the sensitive components. Since the sensor contains lead, avoid direct contact and dispose of any packaging or old parts in accordance with local hazardous waste guidelines. Verify proper electrical connections and secure mounting to prevent air leaks.

Quality Assurance and Warranty Information

Beck Arnley products undergo rigorous quality control to meet OEM standards for fit and function. The 158-1561 Mass Air Flow Sensor is backed by a limited warranty against defects in materials and workmanship. For specific warranty terms, refer to the manufacturer’s documentation or contact authorized service providers.