Mini Cooper F55 F56 Petrol B36 B38 Manual Gearbox 7638371 BFO GS6-58BG 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 F55 F56 Petrol B36 B38 Manual Gearbox BFO GS6-58BG is an original, used manual transmission designed for petrol engines, specifically engineered for the Mini F-series models. Thanks to its factory design, it ensures correct torque transfer, proper gear ratios, and stable operation of the drivetrain. This is a solution for users who expect consistency with factory specifications and want to maintain the characteristic dynamics of their Mini.

Specifications and technical data

• SKU: 7638371
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7638371
• Substitutable numbers: 7638371, 23007638371
• Fuel type: Petrol
• Gearbox type: Manual
• Category: Manual Transmission

Purpose and compatibility with petrol engines

The presented gearbox belongs to the Manual gearboxes category and is structurally adapted for petrol engines in Mini Cooper F55 and F56 models from the B36/B38 range. Using a dedicated manual transmission allows for maintaining correct shift points, acceleration characteristics, and predictable vehicle behavior across the entire rev range.

The manual transmission type provides direct control over the drivetrain, which is particularly valued by drivers who prefer precise, mechanical gear shifting. Installing this gearbox in place of a worn or damaged component allows for restoring proper drivetrain operation without the need for structural modifications.

Technical characteristics of the BFO GS6-58BG gearbox

The BFO GS6-58BG designation identifies a specific family of manual transmissions used in Mini vehicles, optimized for compatibility with compact petrol engines. The design of this gearbox has been developed to:

• ensure stable power transfer in typical urban and extra-urban conditions,
• maintain proper operating refinement during dynamic driving,
• reduce mechanical losses in the drivetrain.

Thanks to the factory design, compatibility with original mounting points, system geometry, and factory operating parameters is maintained, which facilitates installation and subsequent operation.

Benefits of choosing an original, used gearbox

Choosing an original, used gearbox for a Mini allows you to combine cost control with maintaining the vehicle's factory specifications. This type of component is particularly attractive in situations where repairing the existing transmission is uneconomical or technically difficult. A used manual gearbox with an intact OEM design allows for:

• restoring proper drivetrain operation without interfering with the manufacturer's design,
• maintaining the characteristic dynamics and throttle response typical of a Mini,
• reducing vehicle downtime thanks to the possibility of direct replacement.

To better understand the technical and economic advantages of such solutions, it is worth reading an expert guide on the secondary market, selection by OEM numbers, and the real differences between new and used components: Why it is worth buying used gearboxes and engines – facts instead of myths.

Professional selection and application in service practice

When selecting this gearbox, it is crucial to verify compatibility with the specific engine version and vehicle equipment, preferably based on the car's identification data or service documentation. This approach minimizes the risk of discrepancies in gear ratios, mounts, or associated equipment.

In workshop practice, installing an original manual gearbox for a Mini allows for shorter repair times, as the design is familiar to mechanics and the removal and installation procedures are well-documented. This translates into predictable work progress and a stable final result after replacement.

Drivetrain expansion in Mini – related elements

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 additional transmissions, compatible housings, or other manual transmission variants, check the available parts in the Mini Manual gearboxes category.