Mini R55 R56 R57 N12 Automatic Gearbox GA6F21WA 5A2A702 WARRANTY

Listing details

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

Mini R55 R56 R57 N12 Automatic Gearbox GA6F21WA is a factory-original automatic transmission from the Automatic gearboxes category, designed for use in Mini vehicles equipped with the N12 engine. This is a solution for users who expect a proven design, predictable drivetrain performance, and comfortable gear shifting in daily operation.

Specifications and technical data

• SKU: 5A2A702
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 5A2A702
• Substitutable numbers: 5A2A702, 7609177, 24007609177
• Gearbox type: Automatic
• Part type: Automatic Transmission
• Category: Automatic Transmission

Technical characteristics and intended use

The presented gearbox belongs to the Automatic gearboxes group, which means fully automated gear shifting without the need for a clutch pedal. The design is optimized for cooperation with the N12 unit, ensuring proper gear ratios, stable starting, and smooth acceleration in typical road conditions.

An automatic transmission of this type is designed for:

• comfortable city driving with frequent stopping and starting,
• maintaining appropriate engine RPM at highway speeds,
• maintaining the proper operating characteristics of the drivetrain in daily use.

Benefits of using an automatic gearbox

Using an automatic transmission in a Mini with an N12 engine translates into a number of practical utility advantages. The control system selects gears in a repeatable and predictable manner, which reduces the risk of drivetrain overload resulting from improper gear shifting. For the driver, this means less fatigue in city traffic and more stable vehicle behavior in varying road conditions.

This type of automatic gearbox also allows for better traction control in situations with limited grip, as the controller can precisely manage the torque transmitted to the wheels through the appropriate selection of gear ratios.

Practical application and selection of a used gearbox

Choosing a used automatic gearbox for a Mini requires attention to structural compatibility with the specific vehicle version and drivetrain configuration. It is crucial to match the transmission to the N12 power unit and the vehicle's control system to maintain full functionality and proper communication with the vehicle's electronics.

When planning a replacement, it is worth considering:

• the compatibility of the gearbox with the given body generation (R55, R56, R57),
• the type of automatic transmission used and its control system,
• the procedure for adaptation and potential programming after installation.

To better prepare for the purchase and installation of a used transmission, it is worth reading a guide describing the cost-effectiveness of such a solution, the differences between manual and automatic gearboxes, and compatibility issues – this is discussed in detail in the article Used gearbox – when is it worth it and what you need to remember.

Condition, origin, and installation aspects

The offered Mini automatic gearbox comes from dismantling and is a used component, which allows for reducing repair costs compared to purchasing a new transmission or a full overhaul. This type of solution is often chosen in the case of serious damage to an existing gearbox, where individual repair proves to be economically unjustified.

Before installation, standard service procedures are recommended, such as checking for leaks, verifying mounting points, and preparing the transmission oil cooling system in accordance with the vehicle manufacturer's recommendations. Properly performed installation and adaptation of the gearbox are crucial for the durability of the entire drivetrain.

Drivetrain expansion and selection of components from the same group

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 additional automatic transmissions, complete drivetrain assemblies, or alternative automatic transmission configurations, check the available parts in the Mini automatic gearboxes category.