BMW F80 M3 F82 F83 M4 LCI Transmission Oil Cooler Line Return 2284549

BMW F80 M3 F82 F83 M4 LCI Transmission Oil Cooler Line Return is an original component from the Oil coolers and lines group, designed for the facelifted (LCI) F8x generation of BMW M performance models. It ensures stable oil delivery to the cooler, supporting safe engine operation under high loads and prolonged dynamic driving. This is a practical solution for users who want to maintain the factory characteristics of the oil cooling system in their M3 or M4.

Specifications and technical data

• SKU: 2284549
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2284549
• Substitutable numbers: 17222284549, 2284549
• Category: Oil Coolers & Lines

Purpose and function of the oil cooler line

The oil cooler line in BMW F80 M3 and F82/F83 M4 LCI models is responsible for transporting oil between the engine and the oil cooler. A properly functioning line:

• maintains the integrity of the lubrication system under high operating pressure,
• ensures stable oil flow to the cooler,
• reduces the risk of oil overheating during intensive use,
• supports engine durability during track and road driving.

By maintaining the factory geometry and internal diameter, the line allows for the oil cooling system to operate according to the manufacturer's specifications.

Benefits of using an original BMW line

Using an original oil cooler line in the BMW F80 M3 / F82 / F83 M4 LCI helps avoid issues typical of aftermarket replacements with imprecise fitment. Key advantages include:

• Factory fitment for the oil cooling system – the correct length, shape, and mounting points facilitate installation and minimize stress on the system.
• Compatibility with original connectors and the oil cooler – no modifications to the installation required.
• Stable performance under high temperatures and loads typical of M engines.

For cars with increased power or those used in track conditions, maintaining proper oil flow through the cooler is particularly important for engine protection.

Condition of the component and service application

The offered line comes from the used BMW parts group, which allows for economical repair while maintaining the original manufacturer's specifications. This type of component is often chosen for:

• mechanical damage to the existing line (cracks, abrasions, leaks),
• post-collision repairs in the front of the vehicle,
• servicing the oil cooling system after engine overheating.

Replacing the line is recommended whenever there are signs of leaks or corrosion around the connectors to avoid oil pressure drops and potential engine damage.

Technical support and knowledge about the oil cooling system

To better understand the impact of a functional oil cooler line on engine durability, it is worth reading the material describing typical overheating problems and the importance of a properly functioning cooling system – details can be found in the article Engine cooling system – overheating, repair, and used radiators.

Other BMW oil cooling system components

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional oil lines, oil coolers, or mounting elements, check the available parts in the BMW oil coolers and lines category.