BMW X5 Series E53 3.0i 4.4i 4.6is 4.8is Petrol Bare Fuel Tank 6766596

BMW X5 Series E53 3.0i 4.4i 4.6is 4.8is Petrol Bare Fuel Tank is an original fuel system component designed for BMW vehicles powered by petrol. Engineered as a factory part, it ensures proper integration with the fuel system, correct venting, and safe fuel storage during daily operation.

Specifications and technical data

• SKU: 6766596-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6766597
• Substitutable numbers: 16116766596, 6766596, 16116762271, 6762271, BG
• Fuel type: Petrol
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The presented petrol tank is a component from the Fuel tanks and filler pipes group, responsible for storing fuel and providing a stable supply to the engine's fuel system. The tank's design is adapted to the chassis architecture of the BMW X5 E53, which allows for proper routing of lines, mounting points, and compatibility with fuel level sensors and fuel system accessories.

Thanks to its factory origin, the tank maintains the correct geometry, which reduces the risk of stress, leaks, and installation issues. This is particularly important in all-wheel-drive vehicles, where the space under the floor is heavily occupied by drivetrain components.

Compatibility, identification, and selection

As a BMW brand part, the tank has been developed for full compatibility with the vehicle's factory fuel system. Identification is based on the OEM part number and available interchangeable numbers, which facilitates the selection of the correct component for a specific engine version and model year of the BMW X5 E53.

In practice, this means that when correctly matched by catalog numbers, the tank works with original lines, sensors, and mounts without the need for modifications or adaptations. This is a particularly beneficial solution for workshops looking to shorten repair times and minimize the risk of returns.

Condition, material, and advantages of using a used part

The offered item is used, which in the case of fuel tanks is often a rational economic choice while maintaining correct performance parameters. Tanks of this type are designed as long-lasting components, resistant to typical operational loads and contact with petrol and fuel vapors.

A properly selected, original used tank allows you to:

• maintain the factory geometry of the fuel system,
• preserve compatibility with existing equipment,
• reduce repair costs compared to a new component,
• reduce the risk of fitment issues typical of low-quality replacements.

An additional advantage is the preservation of original mounting points and line routing, which is important for both safety and subsequent maintenance.

Fuel type and operational requirements

The tank is designed for systems powered by petrol. This means the construction is adapted to the properties of this fuel, its evaporation, and the requirements regarding tightness and venting. Proper selection of the tank based on fuel type is crucial for the correct operation of the pump, injectors, and fuel vapor emission control systems.

When replacing the tank in a BMW X5 E53, it is recommended to simultaneously check the condition of lines, seals, and mounting elements to fully utilize the potential of the newly installed tank and avoid secondary leaks.

Technical support and additional materials

To better understand the role of the fuel tank in the entire fuel system and to properly plan the repair, it is worth using expert materials. A detailed discussion of the fuel system's operation, including injectors, pumps, and the tank, can be found in the article: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. This is a practical source of knowledge about diagnostics, selection by VIN/OEM, and operating principles.

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