Mini F55 F56 F57 B47 Automatic Gearbox GA6F21AW 8675205 WARRANTY

Listing details

The gearboxes are sold with a 90-day warranty! They were tested before removal and are in full working order.

Mini F55 F56 F57 B47 Automatic Gearbox GA6F21AW WARRANTY is a factory-original automatic transmission from the Automatic gearboxes family, designed for Mini models with the B47 engine. It is a solution for users who expect precise drivetrain operation, the preservation of original driving characteristics, and high compatibility with the vehicle's factory electronics.

Specifications and technical data

• SKU: 8675205
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 8675205
• Substitutable numbers: 5A2A705, 24005A2A705, 8675205, 24008675205, 8741905, 24008741905, 8488905, 24008488905, 8685405, 24008685405, 8664705, 24008664705, 8664605, 24008664605, 8642505, 24008642505, 8685205, 24008685205
• Gearbox type: Automatic
• Category: Automatic Transmission

Technical specifications and intended use

The presented gearbox belongs to the Automatic gearboxes group used in modern Mini models powered by the B47 unit. The Automatic design ensures smooth gear shifting, stable torque transfer, and comfortable operation in both city traffic and on the highway. The GA6F21AW architecture is widely used across the Mini range, which facilitates selecting the correct transmission for a specific vehicle configuration.

By maintaining the manufacturer's original specifications, the gearbox works seamlessly with factory control units, safety systems, and driver assistance systems, minimizing the risk of integration issues after installation.

Benefits of using an original Mini automatic gearbox

Using an original automatic gearbox in a Mini F55, F56, or F57 with a B47 engine allows you to maintain the consistency of the entire drivetrain. The GA6F21AW transmission was designed specifically for the engine's characteristics, vehicle weight, and control unit calibration, which translates into:

• properly selected gear ratios for dynamic acceleration and smooth low-RPM driving,
• correct cooperation with driving modes and traction control systems,
• preservation of the drivetrain's operating culture as intended by the manufacturer.

For the user, this means predictable vehicle behavior, no need for installation modifications, and easier diagnostics in the future.

Selection, compatibility, and reference numbers

The item has a dedicated OEM part number and a set of interchangeable numbers, which facilitates precise identification of the transmission relative to the specific equipment version and model year of the Mini. In practice, this allows you to match the gearbox to the car without experimenting with unreliable replacements. It is recommended to compare the markings with the vehicle documentation or the numbers on the currently installed transmission before purchasing.

These markings are also helpful when consulting with a service center or during subsequent maintenance, as they clearly indicate the type of gearbox used and its design variant.

Application in service practice

The GA6F21AW automatic gearbox for Mini F55, F56, and F57 with the B47 engine is a suitable choice both for replacing a damaged transmission and for a comprehensive drivetrain rebuild following a collision or failure. The used nature of the component allows for optimized repair costs while maintaining original technical specifications. Installation in place of the factory gearbox limits the need for additional mechanical or electrical modifications.

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Mini and need other components from the same group, such as torque converters, transmission housings, or control elements, check the available parts in the Mini automatic gearboxes category.

Expert support and purchasing decision

When choosing a used automatic gearbox, it is crucial to understand the differences between individual transmission types and typical signs of wear. A detailed discussion of selection, diagnostics, and operation can be found in our guide: Gearbox: manual, automatic, or DSG – typical faults and a guide to buying a used transmission. Reading the article will allow you to better assess the condition of the current transmission in your car and make an informed decision about replacing it with the presented model.

Thanks to the combination of the original Mini design, the proven Automatic type, and the ability to verify via reference numbers, the GA6F21AW gearbox is a rational solution for users looking for a technically matched component for their Mini F55, F56, or F57 with the B47 unit.