BMW 3 Series E46 M54 M3 S54 Petrol Fuel Inlet Expansion Tank 2283280

BMW E46 M54 M3 S54 Expansion Tank Fuel Reservoir is an original fuel system component designed for BMW cars with gasoline engines. This specialized expansion tank stabilizes the fuel supply system, ensuring even fuel delivery even during dynamic driving. Thanks to its construction compliant with BMW standards, it is a reliable solution for repairs and restoring the car's factory configuration.

Specifications and technical data

• SKU: 2283280
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2283280
• Substitutable numbers: 16132283280, 2283280, 16132229680, 2229680, KZ
• Fuel type: Petrol
• Category: Expansion & Overflow Tanks

Purpose and Function in the Fuel System

The presented fuel expansion tank operates within the fuel supply system of gasoline engines, stabilizing pressure and reducing the risk of fuel supply interruptions during load changes and lateral G-forces. This is particularly important for sporty engines, where the fuel system must maintain consistent parameters across a wide RPM range.

Due to its compatibility with the BMW E46 architecture with M54 and S54 engines, the tank works with factory-fitted accessories, lines, and mounting points, which facilitates installation and minimizes the need for modifications. The appropriately designed geometry of the expansion chamber promotes stable fuel pump operation and correct fuel circulation throughout the system.

Benefits of Using an Original Expansion Tank

Using a dedicated fuel expansion tank in the BMW E46 M54/M3 S54 offers a range of practical operational benefits:

• maintaining proper gasoline engine fuel supply parameters under various driving conditions,
• preserving the factory operating characteristics of the power unit,
• compatibility with the original BMW fuel system,
• reducing the risk of air entering the system when the fuel level is low.

For users who value the consistency of factory solutions, it is important that the expansion tank has been designed for specific engine variants, which promotes predictable vehicle behavior and simplifies the diagnosis of potential faults.

Item Condition and Service Application

The offered tank comes from the Expansion Tanks category and is a used item, making it an attractive cost-effective alternative for repairs or rebuilding the fuel system. This type of part is suitable for both standard replacement of a damaged tank and for completing accessories for a renovation or modernization project on the BMW E46.

Thanks to its original construction, installation is similar to the factory method – after fitting to existing mounting points and lines, it is possible to quickly restore the full functionality of the fuel supply system. This solution is particularly beneficial for workshops specializing in the BMW brand and for users who service their cars themselves.

Selection and Technical Compatibility

To correctly select the fuel expansion tank for a specific BMW E46 configuration, it is advisable to pay attention to the part markings and interchangeable numbers available in the technical specifications. This allows for verification of compatibility with the given gasoline engine variant and avoidance of installation problems. Relying on OEM data also facilitates communication with the service center and speeds up the process of identifying the part in parts catalogs.

In case of doubts regarding fitment, it is recommended to compare the tank's construction with the currently installed component and consult with a mechanic familiar with the specifics of BMW E46 models, especially the M3 versions with the S54 unit.

System Expansion and Related Components

For comprehensive fuel system servicing, it is worth considering checking the condition of lines, mounting points, and other components cooperating with the expansion tank to avoid the recurrence of a fault in a short period. If you plan further expansion or servicing of the fuel supply system in your BMW, check the available parts in the BMW Expansion Tanks category.

If you are also interested in the cost-effectiveness of using used parts in other vehicle components, including particularly sensitive powertrain components, an article discussing the practical aspects of such a choice may be helpful: Used Gearbox – When is it Worth it and What You Need to Remember.