BMW F80 M3 F82 M4 Left N/S Additional Auxiliary Cooler Radiator 2284603

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F80 M3 F82 M4 Left N/S Additional Auxiliary Cooler Radiator is a specialized cooling system component designed to operate under demanding high-power conditions. It is responsible for stabilizing oil temperature in high-performance BMW engines, supporting the main cooling system and improving the engine's resistance to track loads and dynamic driving. As an original BMW component from the Oil coolers and lines category, it ensures a perfect fit for the vehicle's factory architecture.

Specifications and technical data

• SKU: 2284603-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2284603
• Substitutable numbers: 2284603, 17112284603
• Location on the vehicle: Left
• Category: Engine Oil Coolers & Lines

Purpose and function in the cooling system

The presented auxiliary oil cooler is designed for installation on the left side of the vehicle in BMW M3 F80 and M4 F82 models. In these designs, the oil cooling system is extensive, and the additional cooler supports the main heat exchanger by dissipating excess heat from the oil circuit during intensive engine load.

Such a solution is particularly important in sports cars, where prolonged high-speed driving or frequent acceleration generates significant amounts of heat. A functional auxiliary oil cooler helps maintain stable engine operating parameters, which translates into the longevity of lubrication components and consistent performance.

Construction and fitment for BMW M3 F80 / M4 F82

The component in question has been designed as part of the factory BMW cooling system, ensuring full compatibility with original oil lines, mounts, and aerodynamic shields. Positioning it on the left side of the vehicle allows for effective use of the airflow passing over the front of the car, which increases heat exchange efficiency.

Compared to universal replacements, the original BMW oil cooler ensures proper fitment with bodywork and cooling system components, minimizing the risk of leaks, collisions with other parts, or installation issues. This is especially important in cars with a compact front-end layout, such as the M3 F80 and M4 F82.

Benefits of using an additional auxiliary cooler

Using a functional auxiliary oil cooler in sports BMW models brings a number of practical benefits:

• better oil temperature control during dynamic driving,
• more stable engine operating conditions under high load,
• support for the main cooling system in track conditions,
• preservation of the factory oil and airflow configuration,
• reduced risk of overheating in critical RPM ranges.

For users who utilize the M3 F80 or M4 F82 according to their sporty purpose, a functional oil cooling system is crucial for maintaining consistent performance and protecting the engine from the effects of overheating.

Condition, origin, and practical application

The offered cooler belongs to the Oil coolers and lines group and comes from the original BMW system, which means it adheres to factory design standards. As a used part, it represents an attractive solution for informed users looking for a component with the correct specifications while optimizing service or repair costs.

It will work well both for the standard replacement of a worn-out part and for rebuilding a car after a collision or preparing a vehicle for more intensive use. Maintaining the original cooling system design is particularly important in high-power vehicles, where every element of airflow and oil circulation matters for thermal stability.

Technical support and knowledge about the cooling system

To better understand the role of the oil cooler in protecting the engine from overheating and the impact of a functional cooling system on engine durability, it is worth checking out our guide: Engine cooling system – overheating, repair, and used radiators. The article discusses practical aspects of diagnostics and operation of cooling systems in BMW cars and other brands.

If you are planning a comprehensive repair or upgrade of the oil cooling area in your BMW and need other elements from the same group, such as radiators, lines, or additional heat exchangers, check out the available parts in the BMW Oil coolers and lines category.