BMW Mini Cooper R55 R56 R57 LCI R58 R59 N47N Water Pipe Coolant Hose 9230748

BMW Mini Cooper R55 R56 R57 LCI R58 R59 N47N Water Pipe Coolant Hose is an original cooling system component designed for Mini models with the N47N engine after the facelift (LCI). Thanks to its factory geometry and robust construction, it ensures stable coolant flow and a precise fit to the connectors and mounts in the engine bay. This is a practical solution for users who want to maintain the integrity of the cooling system and keep the engine's performance parameters at the proper level.

Specifications and technical data

• SKU: 9230748
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 9230748
• Substitutable numbers: 64219230748, 9230748
• Category: Clamps & Hardware

Purpose and function in the cooling system

The described water pipe is responsible for transporting coolant between individual system components, such as the engine block, radiator, or auxiliary circuits. A properly contoured water pipe minimizes the risk of kinks, constrictions, and uncontrolled stresses, which translates into stable system pressure and uniform heat dissipation from the N47N engine.

A properly selected water pipe helps reduce the risk of engine overheating, leaks, and a drop in cooling efficiency. This is particularly important in city and highway driving, where the engine operates under varying thermal conditions.

Construction, installation, and fitment

The pipe has been designed as an original Mini part, which means its shape, connection diameters, and mounting points are consistent with the manufacturer's factory requirements. This facilitates installation in the engine bay without the need for modifications, fitting universal hoses, or using additional adapters.

The element belongs to the Clamps and mounting parts group, which emphasizes its role in stably guiding the coolant circuit and working with factory brackets and mounts. Correctly securing the pipe reduces vibrations, friction against other components, and potential mechanical damage during operation.

Benefits of using an original Mini water pipe

Using a pipe dedicated to the Mini R55/R56 LCI with the N47N engine offers a number of practical benefits:

• Factory fitment – compatibility with the original Mini cooling system geometry.
• Stable coolant flow across the entire engine operating range.
• Reduced risk of leaks resulting from ill-fitting aftermarket replacements.
• Easier installation compared to universal solutions.
• Consistency with other mounting elements in the engine bay.

The used product allows for an economical repair of the cooling system while maintaining the original manufacturer's specification, which is particularly important for precisely engineered Mini power units.

Condition, verification, and application in service practice

The item comes from dismantling and is intended for reinstallation in Mini vehicles where restoring the factory routing of water pipes is required. This type of part is often chosen by workshops specializing in the Mini brand when a quick and technically correct replacement of a damaged pipe is necessary without waiting for new deliveries.

In the context of professional service, it is worth noting the possibility of using used OEM components to reduce vehicle downtime. This topic is discussed in more detail in the article: Availability of used OEM parts vs. workshop repair time, which describes how dismantled parts help accelerate service order completion and optimize costs.

Expansion of the mounting system and associated components

If you are planning a comprehensive repair or upgrade of the cooling system and mounting area in your Mini and need other items from the same group, such as additional clamps, brackets, or pipe supports, check out the available parts in the Mini Clamps and mounting parts category.

To maintain the efficiency of the cooling system and other components based on dismantled parts, it is worth following appropriate inspection and maintenance procedures. Practical tips can be found in the guide: how to extend the service life of used car parts, which describes, among other things, best practices for components operating at high temperatures.