BMW F20 F30 F31 LCI Hose Radiator Transmission Oil Cooler 8673993

The BMW F20 F30 F31 LCI Radiator Coolant Hose Pipe Line is an original cooling system component designed for facelifted BMW 1 and 3 Series models. It ensures stable coolant flow between the radiator and other components, contributing to safe engine operation under demanding thermal conditions. This is a practical solution for users seeking factory fitment and reliable compatibility with the BMW cooling system.

Specifications and technical data

• SKU: 8673993
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8673993
• Substitutable numbers: 17128673993, 8673993
• Category: Oil Coolers & Lines

Purpose and Function in the BMW Cooling System

The presented radiator coolant hose is designed as a cooling system component for BMW F-series cars with F20, F30, and F31 body styles in the LCI version. It is responsible for the controlled flow of coolant between the radiator and other sub-assemblies, helping to maintain stable operating temperatures of the engine unit. Thanks to its construction compliant with manufacturer standards, the hose works with factory spigots and mountings, reducing the risk of leaks and improper positioning in the engine bay.

Benefits of Using an Original BMW Hose

Using an original radiator coolant hose in place of a worn-out or non-factory replacement allows you to maintain the cooling system's operating parameters as intended by BMW engineers. In practice, this means:

• secure fit to spigots and brackets in the engine bay,
• properly routed coolant circulation,
• reduced risk of leaks at connections,
• maintenance of proper engine operating temperature in city traffic and on the road.

For users who operate their car in varied conditions, such a cooling system component provides a stable foundation for further servicing, especially at higher mileages.

Component Condition and Service Application

The offered hose comes from the Oil Coolers and Hoses group, meaning it is designed to operate in an environment of elevated temperatures and contact with operational fluids. As a used part, it is a good choice for vehicle servicing where maintaining original specifications while controlling costs is important. It can be used for both standard replacement of worn hoses and for repairs after a cooling system failure, where recreating the factory routing of the installation is necessary.

Assistance with Selection and Cooling System Expansion

When selecting a radiator coolant hose for a specific BMW F-series engine version, it is important to pay attention to compatibility with the model designation, year of manufacture, and cooling system configuration. If in doubt, it is helpful to compare the shape and routing of the hose with the part installed in the vehicle. For users planning a more extensive cooling system service, matching other hoses, the radiator, and accompanying components may also be important to restore the full efficiency of the entire coolant circuit in one operation.

Expanding Offer and Knowledge of the BMW Cooling System

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

To better understand how the cooling system reacts to high temperatures and how to approach the economical replacement of components like hoses, radiators, or fans, it is worth consulting our guide Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings. Additional information on which car components most frequently require replacement and how to plan servicing is also provided in the article TOP 10 Most Frequently Replaced Parts in Your Car, which is helpful for long-term maintenance of your BMW in good technical condition.