Coolant Hose BMW F21 F22 F30 F31 F34 F36 Cooling Pipe Radiator Line 7617376

Coolant Hose BMW F21 F22 F30 F31 F34 F36 Cooling Pipe Radiator Line is an original cooling system component designed for precise coolant routing in selected BMW F-series models. Thanks to its factory geometry and specific platform fitment, it ensures a stable connection between cooling system components and helps maintain proper engine operating parameters. This is a practical solution for users who want to maintain the structural integrity of the cooling system and avoid leakage issues.

Specifications and technical data

• SKU: 4615722
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 4615722
• Substitutable numbers: 4615722, 11534615722, 8645481, 11538645481
• Category: Coolant Hoses

Purpose and function in the cooling system

The presented coolant hose is designed as a part of the factory cooling system in selected BMW F-series models with F21, F22, F30, F31, F34, and F36 body styles. It is responsible for the controlled flow of coolant between components, which has a direct impact on maintaining a stable engine operating temperature.

Thanks to its properly selected cross-section and shape, the hose supports:

• proper coolant circulation in the system,
• reduction of the risk of localized overheating of engine components,
• maintaining the tightness of connections within the cooling system.

Construction and BMW fitment

As an item from the Cooling system hoses and pipes category, this coolant hose is made of materials selected for operation at elevated temperatures and in contact with coolant. The shape and mounting points are adapted to factory brackets and connectors in the engine bay, which facilitates installation and eliminates the need for additional modifications.

Its original BMW origin means the hose is optimized for:

• routing geometry in the engine bay,
• compatibility with factory clamps and connectors,
• maintaining appropriate rigidity and flexibility during operation.

Importance for cooling system reliability

A functional coolant hose is crucial for the thermal safety of the engine. Leaks, micro-cracks, or deformations can lead to coolant loss, and consequently, to engine overheating. Using an original BMW hose allows you to reduce the risk of failures resulting from poor fitment or low-quality materials.

If you want to better understand how individual cooling system components affect engine durability and what symptoms may indicate cooling problems, it is worth reading the article: Engine cooling system – overheating, repair, and used radiators.

Benefits of choosing an original BMW hose

Choosing an original BMW coolant hose is a solution that makes it easier to maintain the consistency of the entire cooling system. Factory fitment translates into:

• easier installation without the need to adjust length or diameter,
• proper hose positioning relative to other components in the engine bay,
• reduced risk of stress and abrasion resulting from improper routing.

For users considering the difference between a used original part and a replacement, the following guide may be helpful: 5 reasons why a used OEM part is a better choice than a replacement.

Condition of the item and service application

The offered hose comes from disassembly and is intended for reinstallation in BMW vehicles where restoring the factory routing of cooling system lines is required. This is a practical solution in situations where the existing component has suffered mechanical damage, material aging, or has been deformed due to overheating.

Expanding the BMW cooling system

If you are planning a comprehensive repair or upgrade of the cooling system area in your BMW and need other components from the same group, such as additional lines, hoses, or water pipes, check out the available parts in the BMW cooling system hoses and pipes category.