BMW X5 Series E53 Diesel M57 M57N 3.0d Complete Fuel Tank 6766597

BMW X5 Series E53 Diesel M57 M57N 3.0d Complete Fuel Tank is an original diesel fuel system component designed for BMW diesel engines from the M57 and M57N family. Using a complete fuel tank with a fuel pump ensures stable engine fueling, correct operation of the injection system, and predictable vehicle behavior across the full load range. This solution is particularly beneficial for repairs of intensively used vehicles, where factory geometry and fitment are essential.

Specifications and technical data

• SKU: 6766597
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6766597
• Substitutable numbers: 16116766597, 6766597, 16116763817, 6763817, 16116763830, 6763830, 16116755051, 6755051, 16116754762, 6754762, 6751819
• Weight: 150
• Fuel type: Diesel
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The presented fuel tank with a fuel pump is a component from the Fuel tanks and filler pipes group, responsible for storing diesel fuel and delivering it to other parts of the fuel system. In M57 and M57N diesel engines, it is crucial to maintain proper pre-supply pressure so that the injection system operates stably, without interruptions in fuel flow and without the risk of air entering the system.

Combining the tank and pump into a single assembly reduces the number of connections and potential leaks, which translates into more predictable vehicle operation. The design dedicated to the BMW X5 E53 allows for proper routing of lines, venting, and mounting geometry, which facilitates installation and subsequent maintenance.

Benefits of using an original BMW component

Using an original BMW component in the fuel system translates into repeatable performance parameters and compatibility with the vehicle's factory electronics. The diesel fuel system is particularly sensitive to pressure drops, contamination, and improper flow, which is why selecting the correct tank with a pump has a direct impact on engine smoothness, cold starts, and dynamics under higher loads.

The item comes from the used original parts segment, which allows for combining factory-standard construction with reasonable repair costs. This solution is often chosen for comprehensive fuel system overhauls in vehicles used for fleet purposes or in demanding conditions, where both durability and service economy are important.

Performance parameters and installation

The fuel tank integrated with the fuel pump is adapted for use with Diesel fuel, which is significant for material resistance to the properties of diesel oil and fuel additives. The design intended for the BMW X5 E53 ensures proper fuel management within the tank, even at low levels, minimizing the risk of air intake during dynamic driving or on inclines.

The entire assembly has a specific operating weight, which is important when planning installation on a lift and when choosing how to support the tank during removal and installation. In practice, this facilitates workshop work and reduces the risk of mechanical damage to the housing or connection ports.

Selection by numbers and system integration

The product has a dedicated OEM part number and a set of interchangeable numbers, which facilitates precise identification via manufacturer catalogs or the vehicle's VIN. This allows for verifying compatibility with a specific engine version and model year of the BMW X5 E53, reducing the risk of selecting the wrong tank or pump variant.

Within the product data structure, information such as SKU, OEM part number, reference numbers, brand, condition, fuel type, and weight are available, marked with appropriate data-option attributes in the technical specification section. This allows catalog systems and chatbots to quickly filter and compare this element with other fuel system components within the same vehicle platform.

System expansion and educational materials

If you are planning a comprehensive repair or upgrade of the fuel system area in your BMW and need other elements from the same group, such as additional tanks, supply lines, or filler pipes, check out the available parts in the BMW Fuel tanks and filler pipes category.

To better understand the relationships between the tank, fuel pump, and injectors, it is worth consulting the guide material describing diagnostics, selection by VIN/OEM, and operating principles – this is discussed in detail in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which can be helpful for both private users and professional workshops.