Manual Gearbox BMW F20 120i F30 320i LCI B48 GS6-17GG 8637975 WARRANTY

Listing details

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

Manual Gearbox BMW F20 120i F30 320i LCI B48 GS6-17GG is an original, used manual transmission designed for BMW F-series petrol engines. Thanks to its precise construction and perfect fit for specific model generations, it ensures consistent drivetrain performance and predictable gear shifting characteristics, which are essential for repairs and drivetrain upgrades. This is the ideal solution for users who expect factory compatibility and the preservation of the proper operating characteristics of a manual transmission.

Specifications and technical data

• SKU: 8637975
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8637975
• Substitutable numbers: 8637975, 23008637975
• Fuel type: Petrol
• Gearbox type: Manual
• Category: Automatic Transmission

Application and compatibility

The presented gearbox has been designed to work with B48 series petrol engines in BMW F20 120i and F30 LCI 320i models. This means that the transmission design, gear ratios, and mounting points are adapted to the architecture of these vehicles, facilitating installation in place of the factory unit. Using an original manual gearbox allows for maintaining the correct drivetrain performance parameters, including acceleration characteristics and smooth operation under various loads.

Technical characteristics of the manual gearbox

The manual design of the transmission provides a direct, mechanical connection between the driver and the drivetrain, which translates into a predictable response to gear changes. In combination with a petrol engine, it enables efficient use of the rev range, and the appropriately selected gear ratios are suitable for both city and highway driving. The gearbox has been configured to work with the control and safety systems used in modern BMW models, which is important for integration with the vehicle's electronics.

Benefits of using an original BMW gearbox

Using an original manual gearbox to replace a worn or damaged component allows for maintaining the integrity of the entire drivetrain. The main advantages of this solution include:

• maintaining factory gear shifting and clutch operation characteristics,
• perfect fit for the mounting points and geometry of the drivetrain in the given model,
• compatibility with factory control and diagnostic systems,
• reducing the risk of problems resulting from unreliable aftermarket replacements.

For users who value precise handling and predictable vehicle behavior, an original manual gearbox provides a solid foundation for continued vehicle operation after repairs.

Choosing a used gearbox and practical aspects

When choosing a used gearbox, it is crucial to match it to the fuel type and transmission type. In this case, we are dealing with a unit designed for petrol engines and configured as a manual transmission, which is important when planning a repair or replacement. It is worth paying attention to the compliance with the manufacturer's markings and the service history of the vehicle from which the part originates.

To better understand the differences between transmissions and the most common symptoms of wear, a guide on selecting and operating transmissions will be helpful – a detailed discussion can be found in the article Gearbox: manual, automatic, or DSG – common faults and a guide to buying a used transmission, which allows you to consciously plan the repair of the drivetrain system.

Expanding repairs within the drivetrain

Replacing a gearbox is a good time to comprehensively assess the condition of other drivetrain components, such as the clutch, half-shafts, or mounting elements. A consistent approach to service helps reduce future vehicle downtime and optimize labor costs. If you are planning a comprehensive repair or upgrade of the drivetrain area in your BMW and need other parts from the same group, such as other transmissions, control elements, or related components, check the available parts in the BMW automatic transmissions category.