Additional Radiator BMW F20 LCI M140i F87 M2 Coolant Frame 8625445

Additional Radiator BMW F20 LCI M140i F87 M2 Coolant Frame is an original cooling system component designed for BMW vehicles with gasoline engines. Engineered as an auxiliary heat exchanger, it supports the main radiator in maintaining a stable coolant temperature, which is particularly important for high-performance engines. Thanks to its factory design integrated into the radiator frame, it ensures perfect compatibility with other system components.

Specifications and technical data

• SKU: 8625445-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8625445
• Substitutable numbers: 8625445, 17218625445
• Fuel type: Petrol
• Category: Other Air & Fuel Delivery

Purpose and function in the cooling system

The described auxiliary radiator is a component mounted within the cooling module frame in BMW F20 LCI M140i and F87 M2 models with gasoline engines. Its task is to relieve the main radiator by taking over part of the heat exchange process, which improves the thermal stability of the engine during dynamic driving, high loads, and in conditions of elevated ambient temperatures.

This type of solution is used in high-output versions where the cooling system must operate under a wider range of loads. The auxiliary radiator in the frame allows for more efficient heat dissipation, which helps maintain engine operating parameters within the recommended range.

Benefits of using an original auxiliary radiator

Using an original part from disassembly ensures:

• factory fitment to the cooling module frame and mounting points,
• preservation of the cooling efficiency designed by the manufacturer,
• compatibility with the existing hose and accessory system,
• appropriate operating characteristics for the gasoline engine.

As a result, installation is predictable, with no need for vehicle structural modifications. The original auxiliary radiator also helps reduce the risk of engine overheating during intensive use.

Condition, origin, and practical application

The part comes from a BMW vehicle and is offered as a used component, allowing for cost-effective repair or completion of the cooling system while maintaining factory specifications. This type of component is particularly useful for:

• restoring full cooling system efficiency after mechanical damage,
• upgrading the system for better thermal headroom in gasoline versions,
• comprehensive front-end repairs following collisions.

Choosing an original element from this group allows you to maintain compliance with service documentation and the parameters specified by the manufacturer.

Integration with other BMW components

The auxiliary radiator works in conjunction with other cooling module components, such as the main radiator, fan, coolant hoses, and temperature sensors. A correctly selected element from this group influences:

• the stability of the gasoline engine's operating temperature,
• the operation of engine control and thermal protection systems,
• the overall durability of the engine under prolonged load.

In sports-oriented vehicles such as the M140i or M2, a fully functional cooling system is crucial for maintaining consistent performance and protecting mechanical components.

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

Technical knowledge and cooling system development

High-performance engine versions, such as the units used in the BMW M140i or M2, utilize solutions similar to those found in sports models from other brands. For comparison, in the high-output car segment, it is worth exploring the analysis of engine designs and auxiliary systems in sports versions from competing manufacturers – this is discussed in detail in the article Audi RS vs other models – what is hidden under the hood and chassis?, which covers topics including engines, brakes, and chassis.