Mini Cooper D F54 F55 F56 B37 B47 Manual Gearbox GS6-59DG BFR 7638378 WARRANTY

Listing details

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

Mini Cooper D F54 F55 F56 B37 B47 Manual Gearbox GS6-59DG BFR is an original, used manual transmission designed for Mini Cooper D models with B37 and B47 engines in F55 and F56 body styles. Thanks to its OEM design, it ensures proper gear ratios, correct interaction with the drivetrain, and stable operating parameters during daily use. This is a solution for users who expect factory fitment, predictable performance, and compliance with service documentation.

Specifications and technical data

• SKU: 7638378
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7638378
• Substitutable numbers: 23007638378, 7638378, 23008685381, 8685381, 23008635912, 8635912, 23002385260, 2385260, 23008687641, 8687641, 23007933673, 7933673
• Gearbox type: Manual
• Category: Manual Transmission

Purpose and compatibility with Mini Cooper D

The described gearbox belongs to the Manual transmissions category and has been designed to work with B37 and B47 diesel units in the Mini Cooper D F55 and F56. This ensures the maintenance of correct gear shift points, proper drivetrain loads, and compatibility with factory mounts and accessories.

By using an original OEM design, the transmission maintains the parameters specified by the vehicle manufacturer, which facilitates diagnostics, service, and subsequent operation. This is particularly important for cars equipped with advanced traction and stability control systems that interact with the drivetrain.

Technical characteristics of the GS6-59DG BFR manual gearbox

The presented gearbox is a manual transmission, which means direct control over gear selection by the driver. This type of solution is valued for its predictable behavior, the ability to precisely adjust gears to driving conditions, and a simpler design compared to automatic transmissions.

In practice, this translates into:

• a consistent, mechanical connection between the engine and the driven wheels,
• the ability to effectively utilize the torque of the B37/B47 units,
• easier control over the car in both urban and extra-urban conditions,
• clear drivetrain behavior during dynamic acceleration.

The GS6-59DG BFR designation identifies a specific family of transmissions used in Mini, which facilitates the selection of spare parts and verification of compatibility with a given vehicle based on service documentation or the VIN.

Selection by OEM numbers and interchangeable numbers

This gearbox has a dedicated OEM part number and a set of interchangeable numbers, which allows for precise matching to a specific Mini Cooper D configuration. In practice, this means the ability to verify the transmission's compatibility with the car both by the OEM number and by reference numbers used in manufacturer catalogs and professional parts selection systems.

This minimizes the risk of purchasing an unsuitable transmission, and the installation process proceeds more efficiently – without the need for modifying mounts or accessories. This solution is particularly beneficial for workshops specializing in the Mini brand and for users who want to maintain consistency with the vehicle's factory specifications.

Condition, application, and benefits of installation

The offered gearbox comes from the segment of used Mini components, which allows for a significant reduction in repair costs compared to purchasing a new transmission while maintaining the factory design. This is particularly beneficial in the case of major drivetrain failures, where replacing the entire gearbox is a more predictable solution than repairing a heavily worn unit.

Choosing this transmission means, among other things:

• maintaining the original operating characteristics of the Mini Cooper D drivetrain,
• easier integration with existing vehicle accessories and electronics,
• the possibility of economical repair while maintaining manufacturer standards,
• consistency with service documentation and workshop procedures.

For users who value predictability and compliance with factory solutions, installing this gearbox is a rational choice that allows for restoring full drivetrain functionality without experimenting with replacements of uncertain origin.

Technical support and additional information

When selecting a transmission, it is worth using the VIN and OEM numbers to confirm full compatibility with a specific Mini vehicle. A detailed discussion of the principles of safely purchasing secondary market components, including gearboxes, can be found in the guide Why it is worth buying used gearboxes and engines – facts instead of myths, which describes verification procedures, selection by numbers, and the cost-to-durability ratio.

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Mini and need other elements from the same group, such as housings, selectors, or mounting elements, check out the available parts in the Mini Manual Transmissions category.