BMW X3 F25 Fuel Tank Diesel Complete Tank Delivery Unit Container 7220745

BMW X3 F25 Fuel Tank Diesel Complete Tank Delivery Unit Container is a factory-original fuel system component designed for diesel versions of this model. The original construction ensures proper compatibility with all fuel system sub-assemblies, and the complete nature of the tank facilitates efficient replacement. This is the ideal solution for users who want to maintain technical consistency with BMW factory specifications and avoid fitment issues.

Specifications and technical data

• SKU: 7220745
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7220745
• Substitutable numbers: 16117220745, 7220745, 16117314808, 7314808, 16117285446, 7285446, BG
• Weight: 150
• Fuel type: Diesel
• Category: Fuel Tanks & Filler Necks

Purpose and role in the fuel system

The presented tank is a component in the Fuel tanks and filler pipes category, designed for use with BMW X3 F25 diesel engines. It is responsible for the safe storage of diesel fuel, stable fuel pump supply, and proper system venting. The design, tailored to the specific BMW platform, limits the risk of leaks, installation errors, and issues with suspension or body geometry in the tank mounting area.

Construction and technical fitment

The tank has been developed as a dedicated component, taking into account the shape of the BMW X3 F25 underbody as well as the routing of fuel and vent lines. As a result, the following are maintained:

• correct mounting points to the body,
• proper routing of the filler neck and connection pipes,
• correct operation with fuel system accessories.

The properly selected weight and geometry of the tank help maintain factory load distribution, which is important for vehicle stability and suspension performance. Using an original solution minimizes the need for modifications and allows for compliance with BMW service documentation.

Operational characteristics and installation

The diesel fuel tank in this configuration is prepared for operation in demanding conditions typical of an SUV in the BMW X3 F25 class. The design, intended for use with high-pressure injection systems, ensures stable supply even during dynamic driving and variable loads. The used nature of the part allows for economical repair while maintaining the manufacturer's original specifications.

In practice, installation involves replacing the tank in the factory location, using existing mounting points and factory line routings. This helps reduce vehicle downtime and avoids additional interference with the body structure. To ensure correct selection based on engine version and model year, it is recommended to use OEM markings and interchangeable numbers visible in the technical specifications.

Benefits of using an original BMW tank

Choosing an original fuel tank for the BMW X3 F25 offers a number of practical benefits:

• Full compatibility with the fuel system – compliance with factory operating parameters of the diesel engine is maintained.
• Stable mounting and correct geometry – the tank integrates with the chassis structure, which reduces stress and noise.
• Hassle-free service – mechanics can use factory BMW procedures and documentation.
• Economical repair while maintaining quality – a used, original component allows you to avoid compromises typical of generic aftermarket replacements.

For owners planning long-term vehicle operation, it is particularly important that the use of original fuel system components helps maintain stable engine performance and reduces the risk of failures associated with leaks or improper venting.

Technical support and additional materials

To better understand the relationships between the fuel tank, pump, and injectors, and to properly plan diagnostics, selection by OEM numbers, and further operation, it is worth checking out the guide: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. The article discusses key issues related to the fuel supply system, which facilitates an informed approach to repairs.

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 additional tanks, filler pipes, or connection lines, check out the available parts in the BMW Fuel tanks and filler pipes category.

For drivers who are also thinking about the future resale of the car and want to maintain its attractive market value, the following material may be helpful: original used parts vs. car resale price, explaining how the selection of the right components affects the perceived quality of the vehicle.