Coolant Radiator Mini F60 BMW F40 F45 X1 F48 B38 Engine Cooling Radiator 8645782

Visual condition of the part

The product shows signs of use visible in the photos.

Coolant Radiator Mini F60 BMW F40 F45 X1 F48 B38 Engine Cooling Radiator is an original cooling system component, designed specifically for use with the B38 engine unit in BMW and Mini vehicles. Thanks to its factory design, it ensures stable heat dissipation from the engine, which translates into safe operation of the power unit and predictable vehicle behavior under various load conditions. This is a solution for users who expect compatibility with the factory cooling system and consistency with the vehicle's design.

Specifications and technical data

• SKU: 8645782
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8645782
• Substitutable numbers: 8645782, 17118645782
• Category: Radiators

Purpose and function in the cooling system

The presented water radiator is a component of the cooling system for the B38 engine used in Mini F60 and BMW F40, F45, and X1 F48 models. Its task is effective heat exchange between the coolant and the air, which allows the engine's operating temperature to be maintained within the optimal range. A properly selected radiator reduces the risk of engine overheating and protects the cylinder head, seals, and engine accessories from excessive thermal loads.

Thanks to a design tailored to the specific body platform and engine, this component works with factory hoses, sensors, and housings, which facilitates installation and reduces the need for modifications to other sub-assemblies.

Construction and fitment for Mini F60 and BMW F40 F45 X1 F48

The water radiator belongs to the group of components responsible for liquid cooling; therefore, its geometry, the placement of connections, and the working surface are adapted to the coolant flow in the B38 system. Appropriate ribbing and flow channels ensure stable cooling performance both in city traffic and at higher speeds. The use of the original BMW design allows for maintaining factory operating parameters of the fan, thermostat, and electronic control.

The component is designed for installation in factory mounting points, which helps maintain the proper rigidity of the entire cooling module and minimizes the risk of vibrations or leaks at the connections.

Benefits of using an original water radiator

Choosing an original water radiator for the Mini F60 and BMW F40 F45 X1 F48 with the B38 engine is a solution that allows you to maintain the integrity of the entire cooling system. Key advantages include:

• Factory compatibility with the B38 cooling system, without the need for installation modifications.
• Predictable engine operating temperatures across a wide range of loads.
• Better integration with engine accessories and control electronics compared to universal aftermarket replacements.
• Ability to use existing mounting elements and coolant hoses.

As a result, the radiator will perform well both during standard operation and in situations of increased thermal load, e.g., during highway driving or in city conditions with frequent stopping.

Component condition and installation aspects

The offered water radiator is in used condition, which allows for an economical restoration of the cooling system's efficiency while maintaining the original BMW design. Before installation, it is recommended to perform a standard leak check and inspect the working surface to ensure proper coolant circulation. Replacing the radiator should be combined with bleeding the system and checking the condition of hoses and connectors, which promotes long-term, stable operation of the entire system.

Technical support and additional information

To better understand the impact of a functional water radiator on the durability of the power unit and the symptoms of overheating, it is worth reading the guide on the cooling system, available in the article Engine cooling system – overheating, repair, and used radiators. You will find practical tips on diagnostics and maintenance of cooling systems in vehicles of various brands there.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional radiators, coolant hoses, or cooling module mounting elements, check the available parts in the BMW water radiators category.

For users interested in a wider use of used parts in service or modernization projects, the guide on choosing components from the secondary market may also be helpful: Buying used car parts – common mistakes when choosing parts for tuning. It will allow you to better plan your investment in cooling system elements and other sub-assemblies.