BMW 5 Series E60 E61 520d M47N2 Coolant Hose Radiator Pipe 7789722

BMW 5 Series E60 E61 520d M47N2 Coolant Hose Radiator Pipe is an original cooling system component designed for BMW diesel models. Thanks to its factory geometry and precisely selected diameter, it ensures stable coolant flow and proper integration with other engine components. It is a practical solution for users who want to maintain consistency with the factory specifications of their vehicle.

Specifications and technical data

• SKU: 7789722
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7789722
• Substitutable numbers: 7789722, 17127789722
• Category: Hoses, Lines & Pipes

Purpose and function in the cooling system

The presented coolant pipe is a component of the cooling system in BMW 5 Series E60 and E61 generations with diesel engines. It is responsible for directing coolant between key engine components, which helps maintain optimal operating temperatures and reduces the risk of overheating. The use of a properly shaped pipe minimizes stress and reduces the risk of leaks at connection points.

Original origin and fitment

The part comes from the BMW line, which means it adheres to factory manufacturing standards and ensures compatibility with the vehicle's design. The original pipe is designed to:

• fit precisely to the mounts and connectors in the engine bay,
• ensure a tight connection with other cooling system components,
• maintain proper flexibility and shape under typical diesel engine operating conditions.

As a result, installation is predictable, without the need for modifications or adjustments required by aftermarket replacements of uncertain dimensions.

Characteristics of the used component

The product is offered in used condition, which allows for an economical replacement of a damaged or leaking pipe while maintaining original manufacturing quality. This type of solution is particularly beneficial for maintenance repairs where the priority is to keep the cooling system functioning correctly at reasonable service costs.

Application in service practice

Replacing a coolant pipe in a diesel engine is recommended in the event of:

• visible cracks, abrasions, or deformations on the surface of the hose,
• coolant leaks in the area of the connections,
• loss of material flexibility, which can lead to leaks under load.

Using an original pipe from the Lines, hoses, and pipes category helps maintain proper coolant circulation and reduces the risk of failures related to engine overheating.

Support with selection and further system expansion

If you are planning a wider range of work on the cooling system or other installations in your BMW, it is worth checking out other elements available in the Lines, hoses, and pipes{data-blogs=category} category to select components that are structurally consistent. When planning repairs and optimizing operating costs, service advice can also be helpful – you will find practical tips in the article on the effective use of OEM parts in repairs{data-blogs=blog}, which shows how to reasonably combine quality with economy.