BMW F20 F21 F30 LCI B47 Hose Coolant Expansion Tank Radiator 8514058

BMW F20 F21 F30 LCI B47 Hose Coolant Expansion Tank Radiator is an original cooling system component designed for precise coolant routing in BMW F-series engines with the B47 unit. Thanks to its factory geometry and perfect fit for engine bay mounts, it ensures stable system operation and helps maintain the proper thermal parameters of the power unit. It is a practical solution for users looking for a proven component that meets factory standards.

Specifications and technical data

• SKU: 8514058
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8514058
• Substitutable numbers: 17128514058, 8514058
• Category: Coolant Hoses

Purpose and function in the cooling system

The presented water hose operates in the coolant circuit, connecting system elements in a way that ensures proper medium flow under various engine loads. The appropriately shaped pipe minimizes the risk of kinks and constrictions, which promotes the maintenance of a stable operating temperature, thereby influencing the performance and durability of the B47 unit.

A properly selected water hose reduces the risk of leaks, pressure drops, and local overheating, which can lead to more serious failures. Choosing a component from the Cooling system hoses and pipes category tailored to the specific BMW F20, F21, and F30 platform allows for maintaining the integrity of the entire system.

Advantages of using an original BMW hose

Compared to replacements of unknown origin, the original BMW water hose offers a number of practical benefits:

• factory fit for connectors and brackets in the engine bay,
• appropriately selected flexibility and wall stiffness,
• geometry designed for specific routing in the engine bay,
• compatibility with other cooling system components in the given model.

As a result, installation is predictable, and the risk of stress or incorrect hose positioning is reduced. This is particularly important in modern units where space in the engine bay is highly utilized, and every component must operate in a strictly defined position.

Characteristics of the used component

The offered hose belongs to the group of used parts, which allows for economical cooling system repair while maintaining the manufacturer's original specifications. This type of component is a good choice in situations where maintaining factory fitment is crucial, while a reasonable service cost remains important.

In the case of cooling system hoses and pipes, it is important to verify the condition of the working surfaces, ends, and potential mounting points before installation. A properly selected and prepared water hose reduces the risk of leaks and the need for re-intervention in the system after a short period of operation.

Technical support and component selection

When selecting a water hose for a BMW F20, F21, or F30 with a B47 engine, it is worth paying attention to compatibility with the specific vehicle configuration and cooling system version. In case of doubt, it is helpful to compare the shape and length of the hose with the component removed from the car, which facilitates compatibility confirmation.

To better understand the role of such components in the entire coolant circuit and their impact on power unit durability, it is worth reading the guide: Engine cooling system – overheating, repair, and used radiators. The article discusses key issues related to engine overheating and the importance of efficient cooling system components.

Cooling system expansion and related parts

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional hoses, return lines, or connecting coolant pipe sections, check the available parts in the BMW cooling system hoses and pipes category.

For users who pay attention to economic and environmental aspects, an interesting addition to your knowledge may be the article: Eco-driving: discover the benefits of used car parts. It describes how a conscious choice of used components allows for reducing vehicle operating costs while supporting the idea of automotive recycling.