BMW F20 F30 F31 LCI 120dX 320dX B47 Automatic Gearbox GA8HP50X 8678683 WARRANTY

Listing details

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

BMW F20 F30 F31 LCI 120dX 320dX B47 Automatic Gearbox GA8HP50X is a factory-original BMW drivetrain component designed for models equipped with xDrive and diesel engines. This used automatic transmission allows for the preservation of the original drivetrain characteristics, ensuring smooth gear shifts and full compatibility with the vehicle's factory electronics. It is an ideal solution for users who expect a technically matched component while maintaining cost-effective repair solutions.

Specifications and technical data

• SKU: 9487620
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9487620
• Substitutable numbers: 24009487620, 9487620, 24008693345 24008678683, 24009426281 24008486694 24008673732, 8693345 8678683 9426281, 8486694 8673732
• Gearbox type: Automatic
• Category: Other Transmission & Drivetrain

Purpose and compatibility

The presented automatic transmission is dedicated to the BMW F20 and F30 series after the facelift (LCI) in 120dX and 320dX versions, i.e., vehicles with the xDrive all-wheel-drive system. Using an original BMW component helps maintain the factory performance parameters of the drivetrain, including proper gear ratios, shift logic, and seamless cooperation with safety and traction control systems.

Thanks to the GA8HP50X design, the transmission is prepared to handle the high torque of diesel units, which is crucial for the intensive operation of both fleet and private vehicles. Choosing an original automatic transmission from this series minimizes the risk of software compatibility issues and communication errors with the vehicle's control modules.

Technical characteristics of the GA8HP50X automatic transmission

The type of transmission used is an automatic gearbox, which translates into comfortable, repeatable, and predictable operation in both city traffic and on the highway. The GA8HP50X construction was developed with dynamic yet economical driving in mind, with an emphasis on smooth gear changes and efficient use of the engine's torque.

This type of automatic transmission works with advanced control systems that select gears based on driving style, vehicle load, and road conditions. In practice, this means stable acceleration, reduced jerking, and better traction control in vehicles with the xDrive system. Using an original transmission also facilitates subsequent computer diagnostics and servicing.

Application in BMW F20 / F30 LCI 120dX and 320dX

In BMW F20 120dX and F30 LCI 320dX models, the GA8HP50X transmission plays a key role in transferring power to all wheels, working in tandem with the xDrive system and electronic stability control systems. Proper tuning of gear ratios to the characteristics of diesel engines allows for efficient acceleration at low and medium speeds, which is important both in daily use and during highway driving.

Choosing a used, original automatic transmission for these models is a solution that allows you to maintain the factory driving feel without the need to modify the electrical installation or controller software. This is particularly important in vehicles equipped with extensive assistance systems, where correct communication between modules has a direct impact on safety and the vehicle's predictable behavior.

Benefits of using an original BMW automatic transmission

Using an original automatic transmission in the BMW F20 and F30 LCI brings a number of practical benefits:

• preservation of factory gear-shifting characteristics and compatibility with the xDrive system,
• consistency with factory controllers and vehicle software,
• reduced risk of mechanical and electronic mismatch issues,
• easier diagnostics and service in specialized BMW workshops.

For the user, this means more predictable vehicle behavior, stable drivetrain operation, and the ability to effectively utilize the engine's potential. A used component of this type represents a reasonable compromise between repair costs and maintaining a high level of functionality.

If you are planning a comprehensive repair or upgrade of your BMW's drivetrain and need other parts from the same group, such as drive shafts, transmission components, or control modules, check out the available parts in the Other BMW category.

Technical support and vehicle development

When selecting an automatic transmission for a BMW F20 or F30 LCI, it is worth paying attention to compatibility with the specific engine version and drivetrain, as well as the vehicle's service history. A properly selected component helps avoid additional adaptation costs and reduces vehicle downtime in the workshop. In the context of comparing drivetrain solutions across different brands and models, including high-performance vehicles, an article discussing differences in engine, brake, and chassis design may be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.

If you are also interested in the use of used components in the context of conscious operation and cost optimization, it is worth familiarizing yourself with the topic of eco-tuning and the role of recycled parts in improving performance and reducing the carbon footprint – more information can be found in the material: Eco-tuning in practice: how to increase performance while reducing your carbon footprint with recycled parts.