BMW 3 4 Series F80 M3 F82 F83 M4 LCI Expansion Tank Radiator Petrol 2284600

BMW 3 4 Series F80 M3 F82 F83 M4 LCI Expansion Tank Radiator Petrol is an original cooling system component designed for high-performance BMW models with petrol engines. This used expansion tank ensures proper coolant volume compensation, stabilizing the engine's operation across a wide range of loads. It is a practical solution for users seeking a factory-fit replacement without the need for aftermarket alternatives.

Specifications and technical data

• SKU: 2284600
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2284600
• Substitutable numbers: 17132284600, 2284600
• Fuel type: Petrol
• Category: Other Interior Parts & Accessories

Purpose and function in the cooling system

The expansion tank in BMW F80 M3 and F82/F83 M4 LCI models works in direct conjunction with the petrol engine's cooling system, responsible for:

• compensating for coolant volume changes at different operating temperatures,
• maintaining a stable fluid level throughout the entire circuit,
• enabling the cooling system to be bled,
• monitoring fluid levels (depending on vehicle configuration).

Thanks to its factory geometry and mounting points, the tank is perfectly matched to the engine bay of these specific body styles, which facilitates installation and maintains the original routing of cooling hoses.

Compatibility with BMW M3/M4 LCI models

The presented component has been designed specifically for the F80 M3 and F82/F83 M4 generations after the LCI facelift, ensuring compatibility with the characteristic cooling system of these versions. The tank's design accounts for:

• the layout of connection ports for coolant hoses,
• mounting points within the engine bay,
• adaptation for high-power petrol engines.

Such a fit allows for maintaining factory cooling system parameters, which is particularly important in high-performance vehicles where stable engine operating temperature is crucial for component durability.

Characteristics of the used component

The offered tank comes from a vehicle dismantling and is sold as a used part, which allows for reduced service costs while maintaining the manufacturer's original specifications. A used component is a good solution in situations where:

• the original tank has cracked or suffered thermal deformation,
• leaks have occurred on the housing or ports,
• a quick replacement is necessary without waiting for new stock.

Using an original component from dismantling minimizes the risk of fitment issues typical of some aftermarket parts and helps maintain the integrity of the entire cooling system.

Benefits of using an original expansion tank

Choosing this component for a BMW M3/M4 LCI provides a range of practical advantages:

• factory fitment for the specific generation and body style,
• preservation of the original coolant flow geometry,
• no need for modifications to mounts or hoses,
• consistency with other cooling system components.

For sports-oriented cars such as the F80 M3 and F82/F83 M4, maintaining proper cooling system operation is essential both in daily use and during dynamic driving.

System expansion and retrofitting with used parts

If you are planning more extensive service work or upgrades on your BMW using dismantled parts, it is worth exploring the possibilities of retrofitting and replacing components with higher-spec versions. Practical tips on this approach can be found in the article on retrofitting and upgrading BMWs with used parts, which describes how to effectively utilize original components from other configurations.

Other BMW parts – cooling system and accessory development

If you are planning a comprehensive repair or upgrade of your BMW's engine area and need other items from the same group, such as additional tanks, coolant hoses, or mounting hardware, check the available parts in the Other BMW category.

Technical knowledge and sports model comparisons

For those interested in a broader context of high-performance car design, including engine, brake, and chassis solutions, a comparative material on sports versions may be helpful. More information can be found in the article Audi RS vs other models – what is hidden under the hood and chassis?, which shows how manufacturers design key systems in cars with similar characteristics to the BMW M3/M4.