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

BMW E81 E82 E87 E90 E91 E92 LCI Coolant Hoses Cooling System Pipes are original cooling system components designed for popular 1 Series and 3 Series models after the facelift. Thanks to their factory geometry and fitment, they ensure stable coolant flow and proper cooperation with other engine components. This is a practical solution for users looking for a proven set of hoses that complies with factory specifications.

Specifications and technical data

• SKU: 7566031-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7566031
• Substitutable numbers: 7566031, 17127566031
• Category: A/C Hoses & Fittings

Purpose and compatibility

The presented set of cooling system hoses has been designed for the BMW 1 Series E81, E82, E87 and 3 Series E90, E91, E92 generations in LCI versions. This means they are compatible with the facelifted body variants, where the cooling system has specific routing and mounting points. Using original BMW solutions helps maintain proper fluid flow, minimizes the risk of leaks, and facilitates installation without the need for modifications.

Technical characteristics of the hoses

The cooling system hoses in this set are made of materials selected for operation at elevated temperatures and in contact with coolant. The shape of individual sections corresponds to the factory routing in the engine bay, which facilitates correct positioning relative to the radiator, connectors, and auxiliary components. The use of the original design reduces hose stress, thereby decreasing the risk of cracks and abrasions during operation. These components belong to the Air conditioning hoses, pipes and connectors group, but in practice, they serve as key connections in the engine cooling circuit. As a result, they can be used both for standard replacement of worn hoses and during major service work, such as engine overhauls or auxiliary equipment upgrades.

Benefits of using original BMW hoses

Using original cooling system hoses in the BMW E81–E92 series provides a number of practical benefits:

• Factory fitment – no need to adjust lengths or diameters; the hoses work with standard connectors and clamps.
• Stable fluid flow – properly selected diameters and bends minimize pressure drops and the risk of turbulence in the system.
• Easier diagnostics and service – the mechanic works on a system consistent with the manufacturer's documentation, which speeds up installation and any subsequent repairs.
• Consistency with other cooling system components – the hoses are compatible with the radiator, thermostat, and other engine accessories. For many users, it is also important that original BMW components maintain predictable properties over a long period of operation, which helps maintain a stable engine operating temperature.

Condition of components and practical application

The offered set of hoses comes from disassembly and is intended for users who are looking for a cost-effective yet factory-standard solution for their BMW. Such components are particularly useful for:

• replacing leaking or brittle hoses in the cooling system,
• repairs after engine overheating, when inspection and replacement of rubber components is recommended,
• comprehensive cooling system maintenance after many years of operation. Choosing original hoses from disassembly allows you to maintain the factory operating characteristics of the system while reducing costs compared to new parts.

Technical support and additional information

If you are planning a comprehensive repair or upgrade of the cooling and air conditioning area in your BMW and need other elements from the same group, such as additional lines, hoses, or connectors, check the available parts in the BMW air conditioning hoses, pipes and connectors category. When working on the air conditioning and cooling system, it is worth paying attention to the condition of the compressor and other sub-assemblies. To better assess when compressor replacement is necessary and how to perform such an operation safely, check out the guide: Air conditioning compressor – symptoms of failure, causes, and safe replacement. If you are considering using original components from disassembly instead of cheap replacements and want to learn the technical arguments in favor of such a solution, the article Why do original parts from disassembly fit better (and last longer) than cheap equivalents? will be helpful, as it discusses the differences in fitment, durability, and operational safety.