BMW E60 E60N E61 E61N LCI Top Coolant Hose Pipe Diesel 520d N47 7799747

BMW E60 E60N E61 E61N LCI Top Coolant Hose Pipe Diesel 520d N47 is an original cooling system component from the Hoses, pipes and tubes category, designed for facelifted BMW 5 Series diesel units. Engineered specifically for the N47 diesel engine in the 520d model, it ensures proper coolant flow and stable thermal operation of the powertrain.

Specifications and technical data

• SKU: 7799747
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7799747
• Substitutable numbers: 17127799747, 7799747
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the cooling system

This coolant hose is a component of the cooling system responsible for directing coolant between key engine parts of the diesel unit. Its precisely matched shape and diameter ensure stable flow of the working medium, which translates into maintaining the correct operating temperature of the N47 engine in the BMW E60 and E61 LCI 520d versions.

Thanks to its factory fitment for the specific engine configuration, the hose works seamlessly with original connectors, fittings, and clamps, minimizing the risk of leaks and improper routing in the engine bay.

Advantages of using an original BMW hose

Using an original BMW coolant hose in a diesel engine offers a number of practical benefits:

• reliable fitment for the cooling system in the 520d model with the N47 engine,
• preservation of the factory hose routing geometry in the engine bay,
• reduced risk of collision with other auxiliary components,
• easier installation thanks to factory mounting points.

By choosing an original BMW coolant hose, you maintain the integrity of the entire cooling system, which promotes stable engine operation and reduces the risk of overheating in both city and highway driving conditions.

Performance characteristics and installation

The hose has been designed to operate within a diesel engine cooling system, where variable temperatures and fluid pressures occur. The construction selected by the manufacturer ensures appropriate flexibility while maintaining resistance to deformation during operation.

The item comes from a vehicle and is offered as a used part, which allows for cost-effective repairs while maintaining original BMW specifications. Installing the hose is a standard service operation within the cooling system and, when following the correct procedure, does not require any modifications to other components.

Why choose original used parts

Original BMW coolant hoses are designed for specific engines and bodies, allowing them to work better with other system components than universal replacements. In the case of diesel engines, where stable operating temperature is crucial for the durability of the unit, maintaining the factory cooling system configuration is particularly important.

If you would like to learn more about the benefits of using original dismantled components and how they affect safety and service costs, check out our article on the quality and safety of used OEM parts.

Expanding the BMW cooling system – related components

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other items from the same group, such as additional coolant lines, flexible hoses, or rigid pipes carrying coolant, check out the available parts in the BMW Hoses, pipes and tubes category.