BMW F80 M3 F83 LCI Remote Radiator Coolant Vent Pipe Hose Left N/S

BMW F80 M3 F83 LCI Remote Radiator Coolant Vent Pipe Hose Left N/S is an original cooling system component designed for installation on the left side of BMW M-series sports models. Thanks to its factory geometry and precise fitment for the specific LCI body generation, it ensures stable coolant flow and proper integration with other system components. This used OEM part is a sensible choice for drivers looking for a technically proven solution at an attractive price.

Specifications and technical data

• SKU: 2284688
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2284688
• Substitutable numbers: 17122284688, 2284688
• Location on the vehicle: Left
• Category: Coolant Hoses

Purpose and function in the cooling system

The presented hose belongs to the Cooling system pipes and hoses category and is responsible for directing coolant between the radiator and other system components. Its placement on the left side of the vehicle allows for precise routing of the working medium within the tight engine bay, while maintaining appropriate bending radii and clearances relative to adjacent components.

A properly selected radiator hose minimizes the risk of localized overheating, leaks, and unwanted vibrations that could be transferred to the radiator, housings, or body elements. For high-performance M3 units, this is particularly important during dynamic driving and under high thermal loads.

Benefits of using an original BMW hose

Using an original water hose in the BMW F80 M3 / F83 LCI ensures:

• factory fitment to radiator connectors and engine components,
• appropriate material stiffness and flexibility across the entire operating temperature range,
• correct hose routing in the engine bay, without collision with other components,
• maintenance of the designed cooling system efficiency during track and road driving.

As a result, the cooling system maintains stable operating parameters, and the risk of failure caused by improper fluid flow or loss is reduced. This is especially important in high-power cars, where engine cooling efficiency directly affects the durability of the power unit.

Selection and installation of the radiator hose

The hose has been specifically designed for use on the left side of the vehicle, which facilitates installation and eliminates the need for any modifications. In practice, this means:

• easy fitment to factory brackets and mounts,
• correct positioning relative to the radiator, fan, and covers,
• preservation of the original coolant flow path.

Before installation, it is recommended to check the condition of the connectors, clamps, and the tightness of the entire system to fully utilize the potential of the newly installed part. For vehicles used on tracks, it is worth combining the hose replacement with a radiator inspection and fan efficiency check.

Condition and service application

The element comes from the BMW group and is intended for service use in F80 M3 and F83 LCI models where replacement of the left-side cooling system hose is required. The used OEM component allows for maintaining the factory operating characteristics of the system while reducing repair costs, which is particularly beneficial during comprehensive service work on M-class cars.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional pipes, return hoses, or system branches, check the available parts in the BMW cooling system pipes and hoses category.

More about cooling system operation

When replacing a radiator hose, it is worth paying attention to the general condition of the cooling system, especially in the summer when thermal loads are at their highest. You can read about the practical aspects of component selection, the impact of temperatures on engine operation, and potential savings when using used parts in our guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings, which will help you better plan your car's service.