BMW F10 520i F20 125i F30 328i N20 Automatic Gearbox GA8HP45Z 7647286 WARRANTY

Listing details

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

BMW F10 520i F20 125i F30 328i N20 Automatic Gearbox GA8HP45Z is an advanced, eight-speed automatic transmission designed for BMW models equipped with N20 petrol engines. Thanks to its precise construction and optimized operating characteristics, it provides smooth, dynamic acceleration and comfortable gear changes in daily use. This is a solution for drivers who expect proven technology and high standards of powertrain performance.

Specifications and technical data

• SKU: 7647286
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7647286
• Substitutable numbers: 7647286, 24007647286, 7642285, 24007642285, 7643723, 24007643723, 7642287, 24007642287, 7643727, 24007643727
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: Automatic Transmission

Purpose and compatibility with BMW models

The described automatic transmission is designed to work with N20 petrol units in popular 5 Series F10, 1 Series F20, and 3 Series F30 models. The appropriate gear configuration and control characteristics ensure that the gearbox works harmoniously with the engine, supporting both calm city driving and dynamic acceleration on the road. For users of these BMW generations, this is a technically consistent powertrain component that allows for maintaining factory driving characteristics.

Operating characteristics of the automatic transmission

The automatic design of the transmission ensures comfortable operation without the need for manual gear selection, which translates into convenience in city traffic and traffic jams. The multi-gear technology used allows for maintaining optimal engine speeds, which promotes smooth driving and effective power utilization. Precise gear shift control reduces jerking and improves vehicle stability during acceleration and deceleration.

In combination with a petrol engine, the gearbox offers quick reactions to accelerator pedal input, and properly selected gear ratios support the flexibility of the powertrain. For the driver, this means predictable vehicle behavior, easier maneuvering, and more comfortable long-distance travel.

Benefits of using an automatic transmission in a BMW

Using this transmission in BMW cars with N20 petrol engines offers a number of practical benefits:

• increased driving comfort thanks to automatic gear changes,
• better utilization of engine characteristics across the full rev range,
• stable torque transfer to the drive wheels,
• consistency with the factory BMW powertrain configuration.

The Automatic transmissions category includes components of key importance for driving smoothness, which is why the correct choice of transmission has a direct impact on the perceived comfort and safety of vehicle use. Choosing an original design dedicated to specific BMW models allows for maintaining the operating parameters intended by the manufacturer.

Used condition and technical aspects of installation

The offered gearbox comes from the secondary market, which allows for reducing the costs of repair or modernization of the powertrain while maintaining the original manufacturer's specification. Used condition means that the component has been previously operated, therefore standard workshop verification and replacement of consumables in accordance with good service practice are recommended before installation. This approach increases the durability of the component and minimizes the risk of improper operation after installation.

The transmission is designed to work with a powertrain based on a petrol engine, which is important when selecting the appropriate control parameters and software. Professional installation at a specialized BMW service or a workshop dealing with automatic transmissions will allow you to fully utilize the capabilities of this design.

Technical support and selecting the right gearbox

When choosing a used automatic transmission, it is worth paying attention to compatibility with the specific engine version, model year, and vehicle configuration. It may be helpful to read a guide on typical faults and the principles of selecting a used gearbox – a detailed discussion can be found in the article Manual, automatic or DSG gearbox – typical faults and a guide to buying a used gearbox, where practical aspects of purchasing and operating transmissions from the secondary market are described.

For users interested in a broader view of the operation of used components in cars of this brand, valuable information regarding the advantages and specifics of such solutions is contained in the entry Used parts for BMW – is it worth it? Key benefits for fans of the brand. It allows for a better assessment of how to consciously approach the selection of powertrain elements, including automatic transmissions.

If you are planning a comprehensive repair or modernization of the powertrain area in your BMW and need other components from the same group, such as transmissions, control units, or elements cooperating with the drivetrain, check the available parts in the BMW automatic transmissions category.