BMW F20 F21 F30 F31 LCI F32 B48 Radiator Water Coolant Hose Pipe 8616524

BMW F20 F21 F30 F31 LCI B48 Water Radiator Hose Pipe Line is an original part from the Hoses, Pipes and Tubes group, designed for the cooling system in BMW F-series gasoline engines. Engineered for the specific B48 engine generation, it ensures proper coolant flow and stable thermal system operation. A used OEM component is a sensible choice for servicing or repair when you prioritize factory fit and predictable installation.

Specifications and technical data

• SKU: 8616524
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8616524
• Substitutable numbers: 8616524, 17128616524
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and Function in the Cooling System

The presented water radiator hose works with the B48 gasoline engine in facelifted (LCI) BMW F-series models, responsible for directing coolant between key system components. A correctly selected hose minimizes the risk of overheating, leaks, and improper fluid circulation, which directly impacts engine durability.

Thanks to its factory geometry and connection diameters, the hose ensures:

• stable pressure in the cooling circuit,
• secure connection to nipples and the radiator,
• proper fluid routing in the engine bay without interfering with other components.

Construction and Fitment for BMW F20, F21, F30, F31 LCI

The hose has been specifically designed for the engine bay architecture of the facelifted BMW F20, F21, F30, and F31 models, resulting in precise positioning relative to the radiator, engine, and accessories. Factory fitment reduces the need for modifications, simplifies installation, and minimizes the risk of material stress during system operation.

As a component from the Hoses, Pipes and Tubes category, the hose is designed to operate in the high-temperature and variable pressure environment typical of gasoline engine cooling systems. The hose's construction allows it to maintain appropriate flexibility while retaining its shape, which is crucial for long-term use.

Benefits of Using an Original Radiator Hose

Using an original hose in the B48 gasoline engine cooling system offers tangible service and operational benefits. The most important include:

• Compatibility with the factory system – the hose is designed for specific models and engine types, simplifying installation and reducing the risk of leaks.
• Consistency with other cooling system components – appropriate hose diameters and length promote even fluid circulation.
• Predictable performance under gasoline engine operating conditions – the material and geometry are adapted to the thermal characteristics of the B48 unit.

A used OEM part is also a cost-effective solution while maintaining the high quality of workmanship and fit typical of genuine BMW parts.

Condition, Verification, and Service Application

The water radiator hose is offered as a used part, meaning it has undergone use but is still suitable for further service. This type of component is particularly useful for:

• repairs after cooling system failures,
• planned replacement of worn hoses,
• restoring the factory configuration in modified vehicles.

Selecting a hose dedicated to the gasoline engine allows for maintaining system operating parameters in line with the manufacturer's specifications, which is important for both engine durability and stable operating temperature.

System Expansion – Other BMW Hoses, Pipes and Tubes

If you are planning a comprehensive engine bay repair or upgrade for your BMW and need other parts from the same group, such as additional coolant hoses, return hoses, or connecting pipes, check the available parts in the BMW Hoses, Pipes and Tubes category.

For larger servicing jobs, especially on vehicles with higher mileage, it is advisable to consider replacing several hoses simultaneously to reduce the risk of subsequent leaks in a short period. This helps to organize the cooling system and facilitates further diagnosis of potential temperature issues.

If you are considering a broader range of engine work, including the potential replacement of the engine with a used one, a practical guide to buying used components might be helpful – you can find it in the article How to Buy a Used Car Engine and Avoid Pitfalls – A Step-by-Step Guide.