BMW G20 Petrol Fuel Pump Level Control Sensor Sender Unit Delivery 7473444

BMW G20 Fuel Level Sensor and Fuel Pump Control Module is an original fuel system component designed for precise control of fuel delivery and accurate measurement of its level in the tank. Thanks to its factory BMW design and compatibility with the gasoline system, it ensures stable fuel system operation and reliable data for the onboard computer. This is a practical solution for repairs, diagnostics, or replacement of worn components in modern G20 3 Series models.

Specifications and technical data

• SKU: 7401428
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7473444
• Substitutable numbers: 7473444, 16117473444, 7401428
• Fuel type: Petrol
• Part type: Fuel Pump
• Category: Fuel Pumps & Sending Units

Function and Application in the BMW G20 Fuel System

The presented fuel level sensor, integrated with the fuel pump control module, is responsible for two key tasks: monitoring the fuel quantity in the tank and managing the operation of the injection pump. In conjunction with the vehicle's electronics, this component enables:

• accurate reading of the gasoline level on the instrument cluster,
• stable fuel supply to the engine under various load conditions,
• cooperation with onboard safety and diagnostic systems.

This ensures that the fuel system in the BMW G20 operates predictably, and the driver receives consistent fuel status information, facilitating daily use and refueling planning.

Compatibility, Fuel Type, and System Integration

This component is designed to work with gasoline engines, guaranteeing compatibility with the fuel system operating parameters in the BMW G20. The module's design is adapted to the factory fuel pump housing and wiring harness, allowing for an organized installation without the need for system modifications.

Its original origin from the BMW group promotes the maintenance of proper fuel pump operating characteristics and correct interaction with the engine control software. In practice, this means a lower risk of dashboard errors and easier diagnostics during future inspections.

Benefits of Using an Original Fuel Level Sensor and Control Module

Using the factory fuel level sensor and pump controller in the BMW G20 helps maintain the integrity of the entire fuel system. The most significant advantages include:

• precise fit to the fuel tank and float geometry, which reduces indication inaccuracies,
• maintenance of factory gasoline pump operating parameters,
• compatibility with the original wiring harness and connectors,
• easier diagnostics using factory service tools.

For the user, this translates to more predictable vehicle behavior, no random fuel pressure drops, and stable cooperation with the onboard electronics.

Condition, Origin, and Installation Recommendations

The offered component comes from the Fuel Pumps and Level Sensors group and is a used part, making it an economical solution while maintaining the factory BMW specifications. Before installation, a standard check of electrical connectors, seals, and the tank socket is recommended to ensure tightness and proper electrical contact.

It is advisable for the installation to be carried out by a workshop experienced with modern BMW fuel systems, which facilitates the correct seating of the module in the tank and verification of accurate fuel level readings after the initial startup.

If you are planning a comprehensive repair or upgrade of the fuel supply system in your BMW and need other components from the same group, such as pump modules, additional level sensors, or complete fuel pump assemblies, check the available parts in the BMW Fuel Pumps and Level Sensors category.

Selecting a Used Sensor and Control Module – Technical Support

When choosing a used fuel level sensor and pump controller for the BMW G20, matching the engine version, fuel type, and equipment configuration is crucial. Proper component selection helps avoid compatibility issues with software, communication errors over the bus, and incorrect fuel level indications.

If you want to better understand how to safely select and install used control modules and sensors in modern cars, consult the practical guide from Global Parts: Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?

Additional tips on the operation and maintenance of salvaged parts, which help extend their service life in the vehicle's fuel system and electronics, are provided in the article How to Extend the Lifespan of Used Car Parts?