Automatic Gearbox BMW F10 528i F20 125i F30 328i N20 GA8HP45Z 8618877 WARRANTY

Description

Listing details

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

Automatic Gearbox BMW F10 528i F20 125i F30 328i N20 GA8HP45Z is a factory-original automatic transmission from the Automatic gearboxes group, designed for use in selected BMW models with the N20 engine. It offers smooth gear shifting, high drivetrain refinement, and maintains the original driving characteristics intended by the manufacturer. This is the solution for users who want to restore full drivetrain efficiency while adhering to OEM specifications.

Specifications and technical data

• SKU: 9487561
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9487561
• Substitutable numbers: 24009487561, 24008684776, 24008638283, 24008486832, 24008681107, 24008632475, 24008618877, 9487561, 8684776, 8638283, 8486832, 8681107, 8632475, 8618877
• Gearbox type: Automatic
• Category: Automatic Transmission

Technical characteristics and intended use

The presented gearbox belongs to the family of automatic transmissions used in modern mid-range BMW models. The design was engineered for dynamic yet comfortable driving, with a clear focus on efficiently transferring the torque of the N20 engine to the drive wheels. The transmission architecture enables fast, predictable gear changes and stable operation across a wide range of loads.

Automatic gear control works in conjunction with the vehicle’s electronics, allowing for optimal adjustment of shift characteristics to the driving mode, driver style, and road conditions. As a result, the drivetrain maintains consistent operation with factory traction control and stability systems.

Benefits of using an original BMW automatic gearbox

Using a transmission from the same design family as the one factory-fitted in the BMW F10 528i and F30 328i provides a number of practical benefits:

• Preservation of factory driving characteristics – the gearbox works with the N20 unit according to the manufacturer’s specifications.
• Consistency with control software – the vehicle’s ECU can operate within the intended shift maps.
• Appropriate mechanical durability – the transmission is designed for specific loads and engine torque.
• Possibility of diagnostics using standard BMW service tools.

For workshops and users, this means easier integration with the existing installation, predictable vehicle behavior after installation, and reduced risk of problems resulting from the use of unsuitable replacements.

Condition, origin, and installation aspects

The offered gearbox comes from the BMW segment and is a used component, which allows for a significant reduction in repair costs compared to purchasing a brand-new transmission. At the same time, the original manufacturer’s specification is maintained, which is crucial for durability and proper cooperation with other drivetrain components.

Before installation, a standard workshop procedure is recommended, including leak checks, verification of mounting points, preparation of appropriate accessories, and the use of the correct transmission fluid in accordance with BMW requirements. Properly performed installation and adaptation of the gearbox in the vehicle allows for stable, predictable drivetrain operation in daily use.

Selection, compatibility, and reference numbers

This automatic transmission is linked to a specific OEM part number and has assigned interchangeable numbers, which facilitates precise identification in BMW catalogs and service systems. Before purchasing, it is worth verifying the compatibility of the gearbox with your specific vehicle using the VIN and technical documentation to ensure full mechanical and electronic compatibility.

The correct choice of gearbox has a direct impact on the proper operation of driving modes, the functioning of safety systems, and the overall refinement of the drivetrain. Therefore, it is recommended that the transmission matching process be based on catalog data and the experience of a professional workshop specializing in the BMW brand.

BMW automatic gearboxes – expansion and modernization

If you are planning a comprehensive repair or modernization of the drivetrain area in your BMW and need other components from the same group, such as torque converters, control elements, or additional transmission parts, check out the available parts in the BMW automatic gearboxes category.

For drivers considering the purchase of a used transmission, a guide discussing the cost-effectiveness of such a solution, the differences between manual and automatic gearboxes, and compatibility issues will be particularly useful – you can find more practical tips in the article Used gearbox – when is it worth it and what you need to remember.