BMW E81 E82 E87 E90 E91 E92 LCI Coolant Hoses Cooling System Pipe 7566031

BMW E81 E82 E87 E90 E91 E92 LCI Coolant Hoses Cooling System Pipe is an original cooling system component designed for popular BMW 1 and 3 Series models. Thanks to its factory geometry and precisely selected diameter, it ensures stable coolant flow and proper cooperation with other system components. It is a practical solution for users looking for a proven, factory-specification coolant hose for their BMW.

Specifications and technical data

• SKU: 7566031
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7566031
• Substitutable numbers: 7566031, 17127566031
• Category: A/C Hoses & Fittings

Purpose and function of the BMW coolant hose

The offered coolant hose has been designed for the cooling system in selected BMW E81, E82, E87, E90, E91, and E92 series models. It is responsible for safely routing coolant between system components, which directly impacts stable engine operating temperature and protection against overheating. The design of the hose is adapted to the factory layout of connectors and mounts in the engine bay, which facilitates installation and minimizes the risk of leaks.

Construction and fitment for the cooling system

The hose belongs to a group of components responsible for transporting the cooling medium, working in conjunction with the radiator, connectors, tees, and other sections of the installation. Its shape and length are selected to:

• ensure proper coolant routing without kinks or constrictions,
• maintain an appropriate bending radius in critical areas of the engine bay,
• reduce vibrations and mechanical stress during engine operation.

As a result, the coolant hose operates stably under typical operating conditions, and the cooling system maintains its design efficiency.

Benefits of using an original BMW hose

Using an original coolant hose instead of a worn or leaking component allows for restoring proper coolant circulation and reducing the risk of thermal failure. Key advantages include:

• factory fitment for BMW E81–E92 series models – no need for modifications or fitting universal replacements,
• maintaining the design flow capacity of the cooling system,
• the ability to use existing brackets and mounts in the engine bay.

This solution is particularly beneficial for vehicle maintenance where compliance with the original manufacturer's specification and predictable long-term cooling system performance are important.

Characteristics of the used component

The offered coolant hose is an aftermarket component, which allows for cost-effective cooling system repair while maintaining the original BMW design. The used component is a good solution for drivers who want to keep their car in good technical condition while controlling service costs. This type of hose is suitable for both routine repairs and preventive replacement during major cooling system service work.

Compatibility and reference numbers

The coolant hose has a dedicated OEM part number and associated interchangeable numbers, which facilitates clear identification in BMW catalogs and matching to a specific engine version within the E81, E82, E87, E90, E91, and E92 series. If in doubt during selection, it is worth comparing the markings with the currently installed component or using the manufacturer's catalog to confirm compatibility with a specific vehicle configuration.

If you are planning a comprehensive repair or upgrade of the cooling and air conditioning area in your BMW and need other components from the same group, such as additional lines, hoses, or connectors, check out the available parts in the BMW air conditioning lines, hoses, and connectors category.

More about used parts and retrofitting

When planning service or vehicle upgrades, it is worth knowing the broader context of using salvaged parts in premium cars. Using original used components often provides a very favorable cost-to-quality ratio, especially for brands such as BMW or Mercedes-Benz. You can find more about the advantages of using used components in premium cars in the article Used parts for Mercedes – original salvaged parts, and you can read about the possibilities of retrofitting and upgrading BMW vehicles in the guide Retrofitting in VAG and BMW group cars: how to cheaply upgrade your car using used parts.

Summary

BMW E81 E82 E87 E90 E91 E92 LCI Coolant Hoses Cooling System Pipe is a practical choice for users who want to restore proper cooling system operation while maintaining the original BMW design. A properly selected coolant hose supports stable engine operating temperature, and using an aftermarket component allows for optimizing service costs without sacrificing factory fitment and predictable system performance.