BMW F45 Mini Countryman F60 B38X Petrol Fuel Pump Supply Module 7349984

BMW F45 Mini Countryman F60 B38X Petrol Fuel Pump Supply Module is an original component from the Fuel pumps and level sensors group, designed for petrol engine supply systems. Using a factory BMW solution ensures stable power supply to the engine unit and precise fuel level readings, which translates into predictable vehicle performance and trouble-free diagnostics.

Specifications and technical data

• SKU: 7349984
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7349984
• Substitutable numbers: 7349984, 16117349984
• Fuel type: Petrol
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel supply system

The presented pump with a float operates in the petrol engine supply system, responsible for both pumping fuel from the tank and transmitting information about its level to the vehicle's instrument cluster and control units. Integrating the pump and level sensor functions into a single module reduces the number of connections, facilitates installation, and minimizes the risk of leaks in the fuel system.

The solution used by BMW in F45 and Mini Countryman F60 models with the B38X unit ensures consistency of operating parameters with the factory engine control unit calibration, which is essential for correct fuel dosing, stable idle speed, and proper operation of onboard systems.

Construction of the fuel pump module with float

The module combines several key elements in one housing: a fuel pumping section, a filtering system, and a mechanical float working with a level sensor. This design allows for:

• maintaining appropriate fuel pressure in the lines supplying the petrol engine,
• continuous measurement of the fuel quantity in the tank and transmitting the signal to the dashboard gauge,
• reduction of disturbances in the fuel supply system during changes in engine load.

Thanks to the factory fitment for the specific BMW and Mini platform, the geometry of the float and the characteristics of the level sensor are consistent with the original gauge scale, which minimizes the risk of erroneous readings or a "jumping" needle.

Benefits of using an original BMW fuel pump

Using the original fuel pump module with a float in BMW F45 and Mini Countryman F60 vehicles with the B38X engine provides a number of practical benefits:

• Compatibility with factory control – pump operating parameters are adapted to the injection maps and engine control unit strategies, which facilitates diagnostics and limits the risk of errors.
• Stable petrol engine supply – proper pressure and pump efficiency promote smooth operation of the engine unit across the full load range.
• Precise fuel level reading – matching the sensor characteristics to the vehicle's installation ensures predictable indications on the instrument cluster.
• Reduction of starting problems and engine misfiring resulting from unstable fuel supply.

Condition, selection, and installation of the component

The component comes from the BMW range and is classified in the Fuel pumps and level sensors group. As a used part, it is a reasonable choice for vehicle maintenance when you want to maintain the factory fuel system design while optimizing repair costs. Before installation, a standard inspection of the vehicle's fuel system is recommended, including lines, connectors, and the condition of the tank.

To correctly select the module for a specific car configuration, it is worth verifying compatibility with the B38X engine designation and the body platform (BMW F45 or Mini Countryman F60). This avoids problems with fitting the pump housing to the fuel tank and ensures proper cooperation with the vehicle's electrical system.

Technical support and additional materials

If you are planning a comprehensive repair or upgrade of the fuel supply area in your BMW and need other components from the same group, such as additional pump modules, level sensors, or mounting elements, check the available parts in the BMW Fuel pumps and level sensors category.

When choosing used components for modern vehicles, practical tips regarding electronics and equipment can be helpful. It is worth reading the advice contained in the article Second life for electronics – when is it worth choosing used engine control units, comfort modules, and parking sensors? to better assess how to safely use parts from the secondary market and what to pay attention to when selecting them.