BMW E81 E82 E84 Fuel Pump Tank Pressure Regulator 2.0 Diesel 7190947 7190949

BMW E81 E82 E84 Fuel Pump Tank Pressure Regulator 2.0 Diesel is an original diesel fuel supply system component designed for BMW models with a 2.0 Diesel engine. Combining the functions of a fuel pump and a level sensor, it enables stable power supply to the engine unit and precise fuel level readings, which translates into efficient fuel system operation and clear indications on the instrument cluster.

Specifications and technical data

• SKU: 7190949
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7190949
• Substitutable numbers: 7190947, 16117190947, 7190949
• Fuel type: Diesel
• Part type: Fuel Sending Unit
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The presented fuel pump integrated with a level sensor is a component mounted in the fuel tank of BMW E81, E82, and E84 series cars with a diesel engine. It is responsible for pumping diesel fuel from the tank to other system components and for measuring the fuel quantity, which is then sent to the controller and the instrument cluster. In vehicles with a Diesel engine, the correct operation of the in-tank pump is crucial for:

• maintaining adequate supply pressure at the fuel injection system inlet,
• preventing air from entering the fuel lines,
• stable engine operation at low fuel levels,
• reliable fuel level indications on the dashboard.

Benefits of using an original BMW pump

Using an original BMW fuel pump in the version designed for Diesel engines ensures compatibility with the factory electrical and fuel installation. This means:

• appropriate performance characteristics for the 2.0 Diesel unit,
• proper cooperation with the factory engine control unit,
• correct calibration of the fuel level sensor relative to the tank shape,
• preservation of the factory operating parameters of the fuel supply system. Thanks to this, you reduce the risk of starting problems, uneven idling, or incorrect fuel level readings after replacing the component.

Technical characteristics and compatibility

The fuel pump with a level sensor belongs to the Fuel pumps and level sensors category, which means it combines the supply and measurement functions in one housing. The component is designed for diesel-powered systems, so its construction is adapted to the properties of Diesel fuel, including operation in variable temperatures and with varying fuel quality. The product has dedicated manufacturer markings and interchangeable numbers, which facilitates part selection by OEM number or reference numbers. This allows for precise verification of compatibility with a specific equipment version and vehicle year, minimizing the risk of purchasing an incompatible part.

Condition, installation, and service application

The offered fuel pump with a level sensor is a used component, which makes it an attractive solution for service repairs where an optimal cost-to-functionality ratio is a priority. This type of part is particularly useful in situations where:

• problems with starting on a warm or cold engine occur,
• the engine stalls at low fuel levels despite no errors in the controller,
• fuel level readings are unstable or clearly deviate from reality,
• it is necessary to replace the complete module in the tank instead of repairing individual components. Replacing the fuel pump module usually requires access through the service cover under the rear seat or in the trunk, followed by connecting the fuel lines and the electrical harness. Using an original module facilitates installation and limits the need for installation modifications.

Technical support and additional materials

To better understand the role of the fuel pump and level sensor in the entire fuel supply system, it is worth reading the guide describing diagnostics, selection by OEM number, and operating principles – you will find it in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. This is a practical source of knowledge when planning repairs or replacing fuel system components. If you are planning a comprehensive repair or upgrade of the fuel system area in your BMW and need other components from the same group, such as in-tank pump modules, fuel level sensors, or complete supply assemblies, check the available parts in the BMW fuel pumps and level sensors category.