Vemo V20-72-5174 Mass Air Flow Sensor

Overview of the Vemo Mass Air Flow Sensor V20-72-5174

The Vemo Mass Air Flow Sensor V20-72-5174 is designed for precise air measurement in BMW and Mini vehicles. This sensor plays a critical role in emission control by accurately monitoring the amount of air entering the engine.

• Height: 37 mm
• Length: 81 mm
• Width: 55 mm
• Number of Poles: 4
• Voltage: 12 V
• Weight: 0.041 kg
• Housing Type: Without housing
• Recommended additional repairs: Air filter replacement

VEMO Brand Line and Product Relevance

The VEMO brand line specializes in emission control sensors, providing reliable and precise components for vehicle air management systems. The V20-72-5174 mass air flow sensor is part of this line, engineered to meet the specific requirements of BMW and Mini models, ensuring compatibility and performance within the emission control system.

Detailed Product Description

This mass air flow sensor measures the volume and density of air entering the engine, which is essential for optimal fuel injection and combustion. The sensor’s compact dimensions (37 mm height, 81 mm length, and 55 mm width) and 4-pole electrical connection allow for straightforward integration without housing. Operating at 12 volts, it is lightweight at just 0.041 kg, contributing to efficient engine management. The sensor is designed for use in various BMW models including the 228i, 320i, 328i, 428i, 528i, M3, M4, M5, M6, X1, X3, X4, X5, and Z4, as well as Mini models such as Cooper, Cooper Clubman, and Cooper Countryman.

Common Applications and Issues Addressed

• Improves engine air-fuel mixture accuracy
• Helps reduce emissions by precise air measurement
• Resolves engine hesitation or stalling caused by faulty air flow readings
• Corrects poor fuel economy linked to inaccurate air intake data
• Prevents check engine light triggers related to mass air flow sensor faults

Installation Notes and Tips

Installation of the Vemo V20-72-5174 sensor requires careful handling to avoid damage to the sensor elements. It is recommended to replace the air filter simultaneously to ensure clean airflow and sensor longevity. Ensure the electrical connector with 4 poles is securely attached and verify the sensor is mounted without housing as specified. Calibration or reset of the engine control unit may be necessary after installation.

Quality Assurance and Warranty

Vemo products are manufactured to meet OEM standards for durability and performance. The V20-72-5174 mass air flow sensor undergoes rigorous quality control to ensure reliable operation in emission control systems. Warranty details should be confirmed with the distributor or installer, as coverage may vary.