BMW 1 Series E82 E88 Complete Fuel Tank with Pump Diesel 118d 120d 123d N47 N47S

BMW 1 Series E82 E88 Complete Fuel Tank with Pump Diesel 118d 120d 123d N47 N47S is an original fuel system component designed for diesel versions of the 1 Series, ensuring stable fuel storage and proper interaction with the injection system. Thanks to its factory design specific to the E82 and E88 bodies, the tank guarantees correct fuel routing, compatibility with auxiliary equipment, and predictable vehicle behavior during daily operation. It is a practical solution for users who want to restore the full efficiency of the fuel system in their 120d and 123d models.

Specifications and technical data

• SKU: 7283804-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7283804
• Substitutable numbers: 16117283804, 7283804, 16117204163, 7204163, 16117190946, 7190946, 16117190947, 7190947
• Weight: 150
• Fuel type: Diesel
• Category: Fuel Tanks & Filler Necks

Purpose and compatibility with the fuel system

The presented tank belongs to the Fuel tanks and filler pipes group and is structurally matched to BMW 1 Series cars in E82 and E88 versions with diesel engines. Its geometry, the placement of ports, and mounting points are adapted to the factory routing of fuel lines, venting, and mounting elements characteristic of Diesel units, which facilitates seamless integration with the existing system.

The tank works with equipment typical for diesel engines, ensuring appropriate supply conditions for the low and high-pressure pumps. As a result, the injection system can maintain stable operating parameters both during calm driving and under load.

Tank construction and performance features

The tank has been designed as a fuel-bearing element with a properly selected capacity and shape, which promotes even weight distribution in the vehicle. Adaptation for Diesel fuel means the use of design solutions that take into account the density and physical properties of diesel oil, including the method of vapor discharge and the operation of the venting system.

In practice, this translates into:

• stable engine supply at low fuel levels,
• reduced risk of system aeration during dynamic driving,
• proper cooperation with the factory filler neck and fuel lines.

The selected weight of the component helps maintain the factory handling characteristics of the vehicle, which is important for the precisely tuned suspension of the 120d and 123d models.

Condition, origin, and assembly aspects

The offered tank is a used component, sourced from a dismantled BMW vehicle. This type of component allows for an economical repair of the fuel system while maintaining the original geometry and mounting points, which facilitates installation in place of the factory tank. Using parts from the same model line minimizes the risk of problems with the fitment of brackets, clamps, and line routing.

Replacing the tank is particularly justified in the case of mechanical damage, corrosion of mounting elements, or leaks, which can lead to fuel spills, system operation errors, and improper functioning of the vehicle's diagnostic systems.

Benefits of using an original BMW tank

Using an original tank in 120d and 123d models allows for maintaining the factory operating parameters of the fuel system and compliance with the manufacturer's service documentation. Precise fitment to the E82/E88 body reduces assembly time and eliminates the need for modifications, which is important for both workshops and individual users.

Choosing an original solution from the Fuel tanks and filler pipes group also promotes the consistency of the entire system – from the filler neck, through the lines, to the pump and injectors – which is significant for the durability and predictability of the car's operation.

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

To better understand the role of the tank in the entire fuel supply system and to correctly select components by OEM numbers, it is worth reading the guide: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, where diagnostics, operation, and the most common problems related to fuel tanks in diesel engines are discussed.