BMW 3 4 Series F80 M3 F82 F83 M4 LCI Transmission Oil Cooler Line Flow 2284548

BMW 3 4 Series F80 M3 F82 F83 M4 LCI Transmission Oil Cooler Line Flow is a component from the Oil coolers and lines group, designed for the lubrication system in high-performance BMW M models. It is responsible for the stable flow of oil to the cooler, which helps maintain the proper operating temperature of the engine, especially during dynamic driving. This solution allows for maintaining the efficiency of the oil cooling system under demanding operating conditions.

Specifications and technical data

• SKU: 2284548
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2284548
• Substitutable numbers: 17222284548, 2284548, AS
• Category: Oil Coolers & Lines

Purpose and function in the oil cooling system

The oil cooler line in BMW F80 M3 and F82/F83 M4 LCI models operates within the engine oil circuit, connecting the oil cooler to other system components. Its task is to ensure a controlled flow of the working medium so that the cooler can effectively dissipate excess heat from the oil. In high-power cars such as the M3 and M4, a stable oil temperature is crucial for the durability of the engine and the repeatability of performance.

A properly selected line minimizes the risk of pressure drops, leaks, and localized overheating. In practice, this translates into:

• more predictable engine behavior under heavy load,
• reduced risk of oil degradation at high temperatures,
• maintenance of proper lubrication for moving parts.

Technical characteristics and fitment for BMW M3/M4 LCI

The line has been designed as a component compliant with the factory BMW specification for the F80 M3 and F82/F83 M4 LCI (facelift) versions. This ensures the original geometry, mounting points, and connection diameters are maintained, which facilitates installation in place of a worn or damaged part. Replicating the factory routing of the line limits the risk of interference with other components in the engine bay and allows for the correct routing of the oil line.

The component comes from the BMW group, which for the user means consistency with the oil cooling system design and compatibility with factory mounts and connectors. Thanks to this, the line can be used both for standard road use and in cars used more dynamically, e.g., on the track.

Condition, verification, and installation aspects

The product is offered as a used part, which allows for an economical restoration of the oil cooling system while maintaining compliance with the original specification. Before reinstallation, this type of component should be thoroughly checked for leaks, the condition of the connections, and any signs of mechanical damage. In practice, it is worth paying attention to:

• the absence of cracks and deformations on the line sections,
• the condition of threads and quick-connectors,
• internal cleanliness of the oil channel before installation.

Due to its operation in the oil system, installation by a person with experience in servicing lubrication systems in BMW M series vehicles is recommended. Proper bleeding and leak testing after starting the engine are essential for safe operation.

The importance of a functional oil cooler line for engine durability

High-output engines used in the BMW M3 and M4 generate large amounts of heat, and oil serves both lubricating and cooling functions. A functional oil cooler line is one of the elements that help maintain a stable operating temperature, reducing the risk of overheating and accelerated wear of engine components. Replacing a worn line with a component compliant with factory specifications is a reasonable step when upgrading or repairing the oil cooling system.

If you want to better understand the impact of the cooling system on engine longevity and the relationship between the coolant radiator and the oil cooler, it is worth reading the guide: Engine cooling system – overheating, repair, and used radiators. The article discusses practical aspects of diagnostics and operation of cooling systems in popular models, which helps in consciously planning repairs.

System expansion within the BMW Oil coolers and lines category

If you are planning a comprehensive repair or upgrade of the lubrication system area in your BMW and need other components from the same group, such as additional oil lines, return sections, or elements supplying oil to the cooler, check the available parts in the BMW Oil coolers and lines category.

Summary

BMW 3 4 Series F80 M3 F82 F83 M4 LCI Transmission Oil Cooler Line Flow is a technically matched lubrication system component designed to operate in demanding conditions typical for M series models. It ensures proper oil flow to the cooler, supporting the thermal stability of the engine and the correct operation of the entire system. Choosing a line compliant with the factory BMW specification facilitates installation, reduces the risk of leaks, and provides a solid foundation for further operation or vehicle upgrades.