BMW F45 F46 G30 Mini F60 Thermostat Gearbox Oil Cooler Hose Connector 9488754

BMW F45 F46 G30 Mini F60 Thermostat Gearbox Oil Cooler Hose Connector is an original gearbox oil cooling system component designed for modern BMW and Mini models. Thanks to its factory design, it ensures stable gearbox oil temperature control and proper coolant circulation. It is a practical solution for users looking for a proven, used OEM part with predictable operating parameters.

Specifications and technical data

• SKU: 8481575-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8481575
• Substitutable numbers: 8481575, 17228481575, 8632493, 17228632493
• Category: Thermostats & Housings

Purpose and function in the cooling system

The presented thermostat with gearbox oil cooler hose is responsible for controlling the coolant flow between the gearbox and the heat exchanger. Maintaining the proper transmission oil temperature range affects:

• automatic transmission operating stability,
• reduced wear of internal transmission components,
• reduced risk of overheating under high load conditions,
• more consistent gear shifting characteristics.

The solution used in BMW F-series platforms and the Mini F60 allows for precise oil temperature management, which is particularly important in vehicles used in city traffic and on long routes.

Construction and advantages of the original BMW part

The thermostat integrated with the gearbox oil cooler hose in this configuration constitutes a complete cooling system section that can be installed directly in place of a worn-out part. Original BMW OE manufacturing means:

• preservation of factory connection geometry and hose routing,
• compatibility with factory brackets and body mounts,
• thermostat opening characteristics properly matched to the specific generation of gearboxes.

Thanks to this, installation is predictable, without the need for system modifications or the use of additional adapters. Consistency with the original cooling system design reduces the risk of leaks and venting problems.

Condition, verification, and service application

The item is offered as a used part, which allows for economical repair while maintaining an OEM component. Such subassemblies are commonly used in:

• gearbox repairs after overheating,
• preventive replacement of oil cooling system components,
• comprehensive service of vehicles with higher mileage.

Selecting the right thermostat with a hose should always be based on vehicle data and part numbers, which you can find in the technical specifications section. In case of expanding or upgrading the gearbox cooling system, it may also be helpful to browse the entire category of thermostats and housings dedicated to BMW and Mini, which will make it easier to collect all necessary components.

Benefits of using the original gearbox oil cooler hose thermostat

Using an original BMW solution in the transmission oil cooling system brings a number of practical service and operational benefits:

• Factory fit – no problems with hose length, connector diameter, or mounting position.
• Predictable operating characteristics – the thermostat opens according to the manufacturer's specifications, which stabilizes oil temperature.
• Consistency with other system elements – cooperation with the radiator, heat exchanger, and engine cooling installation in accordance with the factory design.

For workshops specializing in the BMW and Mini brands, this solution allows for shorter diagnostic and installation times, and for the user – a way to maintain the vehicle in a configuration close to factory condition.

Technical support and additional information

When planning a drivetrain and oil cooling system repair, it is worth looking at the vehicle as a whole – often replacing one element involves checking other components. Helpful guide materials, such as a blog on selecting and using used car parts, where you will find practical tips on assessing the condition of components and optimal service planning, may be useful.

If you are simultaneously working on the chassis or upgrading the car's handling characteristics, it is also worth reading an article comparing stock and sports suspension and discussing the selection of used components, which will facilitate a consistent approach to the entire vehicle upgrade.