BMW F45 F46 Mini F60 Thermostat Gearbox Oil Cooler Hose Connector 9488754

BMW F45 F46 Mini F60 Thermostat Gearbox Oil Cooler Hose Connector is an original component from the Thermostats and housings group, designed for the transmission oil cooling system in selected BMW F45/F46 series and Mini F60 models. It ensures stable operation of the automatic transmission by controlling oil temperature, which translates into predictable drivetrain performance and reduces the risk of overheating.

Specifications and technical data

• SKU: 8481575-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8481575
• Substitutable numbers: 8481575, 17228481575, 8632493, 17228632493
• Category: Thermostats & Housings

Purpose and technical function

The presented thermostat is a component of the transmission oil temperature management system, working in conjunction with the oil cooler. Its task is to direct the flow of the cooling medium so that the transmission oil reaches its operating temperature as quickly as possible and then maintains it within a safe range during city and highway driving.

Using a dedicated thermostat in BMW and Mini vehicles allows for maintaining proper transmission operating parameters, reducing wear on friction elements, and improving gear shift quality. This is particularly important in modern powertrains, where stable oil temperature has a direct impact on the durability of the entire drivetrain.

Advantages of using an original BMW thermostat

Choosing an original transmission oil cooler thermostat for BMW F45, F46, and Mini F60 ensures:

• precise fitment to the factory transmission oil cooling system,
• maintenance of operating parameters in accordance with the vehicle manufacturer's specifications,
• consistency with the factory architecture of hoses and housings,
• reduction of the risk of leaks resulting from the use of ill-fitting replacements.

As a result, installation is efficient, and the transmission oil cooling system regains stable operating conditions. This solution is particularly beneficial for servicing vehicles that are used intensively, where maintaining the proper oil temperature is crucial for the longevity of the transmission.

Product characteristics and compatibility

The offered thermostat comes from the BMW line and is an OEM-class component, which means it complies with the manufacturer's factory design and material standards. The product has been designed for integration with the transmission oil cooling system in BMW F45, F46, and Mini F60 vehicles, without the need for any installation modifications.

The component has an assigned OEM part number and corresponding interchangeable numbers, which facilitates verification of compatibility with a specific vehicle configuration. Before purchasing, it is worth comparing the markings used in your car with the data in the specification to confirm full compatibility with your specific engine and transmission version.

Condition, origin, and cost-effectiveness

The transmission oil cooler thermostat is offered as a used component, sourced from vehicle dismantling. This type of solution allows for a significant reduction in repair costs compared to purchasing a new part, while maintaining original build quality and fitment. It is a sensible choice for users who want to keep their car in good technical condition while controlling their service budget.

If you want to better plan your service and learn practical ways to reduce costs by using original second-hand components, it is worth checking out our guide: Rising repair costs and the boom in used parts – how to save on car maintenance?.

Expanding the oil cooling system in BMW and Mini

If you are planning a comprehensive repair or upgrade of the transmission oil cooling area in your BMW and need other components from the same group, such as additional thermostat housings, hose connectors, or mounting elements, check out the available parts in the BMW Thermostats and housings category.

A well-selected set of components from the same product group allows for technically consistent service, reduces vehicle downtime, and ensures predictable operating conditions for the drivetrain in the long term.