Vemo V20-72-5181 Mass Air Flow Sensor

Overview of the Vemo Mass Air Flow Sensor V20-72-5181

The Vemo Mass Air Flow Sensor V20-72-5181 is designed for precise air intake measurement in various BMW models. This sensor plays a critical role in maintaining optimal engine performance and emissions control.

• Brand: Vemo, Brand Line: VEMO
• Part Number: V20-72-5181
• Category: Emission Control > Sensors
• Mass Air Flow Sensor without housing
• Dimensions: 65 mm length, 55 mm width, 56 mm height
• Connector count: 4 with 4 poles
• Lightweight design at 0.035 kg

Detailed Product Description

This Vemo Mass Air Flow Sensor (part number V20-72-5181) is engineered without a housing, allowing for direct integration into the air intake system of compatible vehicles. Measuring 65 mm in length, 55 mm in width, and 56 mm in height, it offers a compact form factor suitable for tight engine compartments. The sensor features four connectors and four poles, ensuring reliable electrical connections and accurate airflow data transmission to the engine control unit (ECU). Its lightweight construction at just 0.035 kg contributes to efficient vehicle performance without adding unnecessary weight.

The VEMO brand line is known for its focus on emission control components, providing sensors that meet OEM specifications for durability and precision. This mass air flow sensor is part of the VEMO line, which emphasizes quality and compatibility with European automotive standards.

Compatible BMW Models

This mass air flow sensor is compatible with a wide range of BMW vehicles, including but not limited to:

• BMW 135i, 135is
• BMW 335i, 335i GT xDrive, 335i xDrive, 335xi
• BMW 435i, 435i Gran Coupe, 435i xDrive, 435i xDrive Gran Coupe
• BMW 528i, 535i, 535i GT, 535i GT xDrive, 535i xDrive
• BMW 640i, 640i Gran Coupe, 640i xDrive, 640i xDrive Gran Coupe
• BMW 740i, 740Li, 740Li xDrive
• BMW ActiveHybrid 5, ActiveHybrid 7
• BMW M235i, M235i xDrive
• BMW X1, X3, X4, X5, X6

Common Applications and Issues Addressed

• Ensures accurate measurement of incoming air volume for optimal fuel injection
• Helps prevent engine stalling and rough idling caused by faulty airflow readings
• Supports emission control by providing precise data to the ECU
• Reduces engine hesitation and improves throttle response
• Assists in maintaining fuel efficiency and engine performance

Installation Notes and Tips

When installing the Vemo Mass Air Flow Sensor V20-72-5181, ensure the sensor is securely connected to the air intake system without the housing. Verify that all four electrical connectors are properly seated to avoid signal interruptions. It is recommended to inspect the air filter and intake duct for cleanliness before installation to prevent contamination. Calibration or ECU reset may be necessary depending on the vehicle model and diagnostic tools used.

Quality Assurance and Warranty

Vemo products, including the V20-72-5181 mass air flow sensor, are manufactured to meet stringent quality standards consistent with OEM requirements. While specific warranty details are not provided here, Vemo typically offers coverage against manufacturing defects. Buyers should consult product documentation or authorized distributors for warranty terms.