Manual Gearbox BMW F20 118dX F30 318dX LCI B47 6 Speed GS6X45DZ 8609427 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 118dX F30 318dX LCI B47 6 Speed GS6X45DZ is an original, used manual transmission designed for BMW models equipped with the B47 diesel engine. It provides a solid foundation for professional drivetrain repair, ensuring precise torque transmission and predictable vehicle behavior. Thanks to the manual gearbox design, the driver gains direct control over gear changes and a stable, mechanical connection to the drivetrain.

Specifications and technical data

• SKU: 8609427
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8609427
• Substitutable numbers: 8609427, 23008609427, 7643885, 23007643885
• Fuel type: Diesel
• Gearbox type: Manual
• Category: Manual Transmission

Purpose and compatibility

The presented gearbox belongs to the Manual gearboxes category and has been designed to work with diesel units in the BMW F-series, including the F20 118dX and F30 318dX in the LCI version with the B47 engine. The GS6X45DZ transmission design is optimized for the torque characteristics of diesel engines, which translates into stable operation across the full load range and predictable behavior during dynamic acceleration and highway driving.

Technical characteristics of the manual gearbox

The manual transmission type means mechanical control of gear changes using a gear lever and clutch, which allows the driver to precisely select the gear for current driving conditions. In the case of diesel units, the use of a manual gearbox promotes efficient use of available torque, facilitates maintaining optimal engine RPM, and can support an economical driving style. The GS6X45DZ transmission design is known for its durability and predictable operation with proper use and maintenance.

Application in the diesel drivetrain

In combination with a diesel engine, the gearbox in this configuration is responsible for:

• transferring high torque at low engine speeds,
• stable operation during long-term loads, e.g., on the road,
• the ability to precisely adjust gear ratios to the driver's driving style,
• a mechanical, direct feel of the drivetrain operation.

Such a combination is particularly valued by users who expect predictable throttle response, good flexibility, and control over vehicle behavior in various road conditions.

Condition, verification, and benefits of installation

The gearbox is offered as a used component, which allows for optimizing repair costs while maintaining the manufacturer's original specifications. Choosing an original BMW transmission from this series allows for maintaining the factory drivetrain operating parameters, proper fitment to the body mounts, and compatibility with engine accessories and control systems. This solution is particularly beneficial for professional drivetrain regeneration or replacing a damaged gearbox in vehicles used on a daily basis.

Technical support and selecting the right gearbox

When selecting a gearbox for a specific BMW configuration, it is crucial to verify compatibility with the model designation, engine type, and the drivetrain used. In case of doubt, it is worth using a guide on purchasing a used transmission – practical tips, common faults, and model examples can be found in the article Gearbox: manual, automatic, or DSG – common faults and a guide to buying a used gearbox, which helps to consciously assess the condition and cost-effectiveness of installing a used unit.

Related BMW Manual gearboxes

If you are planning a comprehensive repair or upgrade of the drivetrain area in your BMW and need other elements from the same group, such as additional transmissions, compatible housings, or related mounting components, check the available parts in the BMW Manual gearboxes category.