BMW 5 6 E60 E61 E63 E64 LCI M57N2 Water Radiator Coolant Hose Pipe 7796272

BMW 5 and 6 Series Diesel Coolant Hose is an original part from the Cooling System Hoses and Pipes group, designed for post-facelift (LCI) BMW E60, E61, E63, and E64 models with the M57N2 engine. This is a practical solution for users who want to restore proper coolant circulation and stable engine operating temperature in their BMW.

Specifications and technical data

• SKU: 7796272
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7796272
• Substitutable numbers: 17127796272, 7796272, EM
• Fuel type: Diesel
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The presented hose is a component of the cooling system responsible for transporting coolant between key components of the M57N2 engine. In post-facelift BMW 5 Series E60/E61 and 6 Series E63/E64 vehicles, proper fluid flow directly impacts maintaining stable operating temperature, protecting the cylinder head, engine block, and accessories from overheating, and ensuring the longevity of the entire system.

Thanks to its precise fit for the specific generation of the Diesel engine, the hose ensures correct fluid routing, minimizes the risk of leaks, and facilitates cooling system servicing in workshop conditions.

Compatibility with BMW E60, E61, E63, E64 LCI

The hose has been designed with the engine bay architecture of post-facelift BMW 5 and 6 Series models in mind, which translates to appropriate profiling, length, and mounting points. This ensures:

• a perfect fit for the cooling system with the M57N2 engine in sedan, touring, coupé, and convertible body styles,
• preservation of the factory routing of hoses in the engine bay,
• easy installation without the need for modifications to other system components.

This precise fit reduces the risk of stress, chafing, and leaks, which is particularly important in vehicles with high mileage and Diesel engines.

Technical Characteristics and Benefits of Use

As an original BMW part, the coolant hose is made from materials resistant to coolant, high temperatures, and variable operating pressures. The hose's construction is adapted to the specific demands of a Diesel engine, where the cooling system operates under significant thermal load.

Using this component allows for:

• restoring the seal and proper flow in the coolant circuit,
• reducing the risk of engine overheating,
• maintaining stable operating conditions for the M57N2 engine in daily use.

This solution is particularly beneficial when servicing vehicles exhibiting symptoms such as coolant loss, leaks, or unstable engine operating temperatures.

Condition, Origin, and Service Application

The offered hose is a used part from a dismantled vehicle, making it an attractive cost-effective alternative to new parts while maintaining proper fit for the BMW cooling system. This type of component is often chosen by workshops specializing in servicing E60, E61, E63, and E64 models, as well as by knowledgeable users who perform their own car maintenance.

Before installation, a standard inspection of the cooling system is recommended, including the condition of other hoses, the radiator, thermostat, and the quality of the coolant, to ensure a consistent service outcome and prevent recurring issues.

Technical Support and Additional Materials

To better understand the role of hoses in the fluid circulation system and the symptoms of common faults, it is worth consulting the advice provided in the blog article Engine Cooling System – Overheating, Repair, and Used Radiators, which discusses the impact of a functional cooling system on engine durability.

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, return pipes, or connections to the radiator, check the available parts in the BMW Cooling System Hoses and Pipes category.