BMW F10 F11 N47N Water Coolant Hose Pipe Line 8514245

The BMW F10 F11 N47N Coolant Water Hose is an original cooling system component designed for BMW 5 Series F10/F11 diesel engines with the N47N unit. Designed as part of the factory system, it ensures stable coolant flow and proper circulation of the medium within the diesel engine circuit, which translates to a safe operating temperature for the power unit.

Specifications and technical data

• SKU: 8514245
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8514245
• Substitutable numbers: 17128514245, 8514245
• Fuel type: Diesel
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The coolant water hose in the N47N engine is responsible for the controlled flow of coolant between key system components such as the engine block, auxiliary circuit, and accessory elements. In BMW diesel engines, which operate under higher thermal load, a correctly selected hose is crucial for maintaining a stable operating temperature and reducing the risk of overheating.

This component, from the Cooling System Hoses and Pipes category, works in conjunction with the factory coolant pump, thermostat, and radiator, forming a cohesive, sealed circuit. Due to its precise fit for the specific diesel engine configuration, the hose's geometry aligns with the original routing of pipes in the BMW F10/F11 engine bay, facilitating installation and minimizing material stress during operation.

Compatibility with N47N Diesel Engine

The presented hose has been designed with the specific characteristics of diesel units in mind, where the following are important:

• resistance to higher operating temperatures typical for diesel engines,
• dimensional stability under prolonged thermal load,
• correct fit to factory spigots and connections in the cooling system.

As a result, the coolant water hose for the N47N helps maintain the integrity of the factory cooling system design and reduces the risk of leaks caused by using components with incorrect shape or purpose.

Characteristics of a Used Part

The offered hose is a used part, removed from a dismantled vehicle, making it a sensible choice for servicing older BMW F10/F11 models. A used OEM component retains its original geometry and mounting method, simplifying installation in place of a worn or damaged pipe. In practice, this allows for an economical repair of the cooling system while maintaining compliance with the original design.

Before installation, a standard inspection of the working surfaces, spigots, and hose clamps used in the specific vehicle is recommended. A correctly fitted coolant water hose reduces the risk of leaks, thereby helping to maintain stable diesel engine operating parameters in daily use.

Importance for Cooling System Reliability

A functional water hose in the N47N engine directly impacts:

• maintaining proper pressure in the coolant circuit,
• uniform heat dissipation from the power unit,
• reducing the risk of overheating and secondary engine damage.

Replacing a worn or brittle hose with a correctly selected BMW part helps prevent failures resulting from sudden coolant loss. This is particularly important in modern diesel units, where overheating can lead to costly damage to the cylinder head, seals, or accessories.

To better understand the impact of individual components on the durability of the power unit, it is worth consulting the guide on cooling system diagnostics and service: Engine Cooling System – Overheating, Repair, and Used Radiators. The article discusses practical aspects of operating and servicing cooling systems in popular models, facilitating informed service decisions.

BMW Cooling System Expansion

If you are planning a comprehensive repair or upgrade of the engine bay in your BMW and require other parts from the same group, such as additional pipes, return hoses, or sections connecting to the radiator, check the available parts in the BMW Cooling System Hoses and Pipes category.

By selecting several components from the same product group, you can refresh a larger portion of the cooling system in a single service step, which reduces the risk of subsequent leaks and makes it easier to maintain a consistent technical standard throughout the coolant circuit.