BMW X5 E70 LCI X6 E71 30dX N57 Automatic Auto Gearbox 7630575 GA8HP70X WARRANTY

Listing details

The gearboxes are sold with a 90-day warranty! They were tested before removal and are in full working order. BMW X5 E70 LCI X6 E71 30dX N57 Automatic Auto Gearbox is a factory-original automatic transmission designed for BMW diesel models, engineered for the smooth operation of the xDrive drivetrain. Its original design ensures correct gear ratios, stable integration with vehicle electronics, and predictable vehicle behavior in daily use. This is a solution for users seeking a proven, used gearbox instead of costly refurbishment.

Specifications and technical data

• SKU: 7630575-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7630575
• Substitutable numbers: 7630575, 24007630575, 24007644020, 7644020
• Fuel type: Diesel
• Gearbox type: Automatic
• Part type: Automatic Transmission
• Category: Automatic Transmission

Purpose and drivetrain compatibility

The described automatic gearbox has been developed to work with the N57 unit in the 30dX version, which means it is matched to the torque characteristics of the diesel engine and the all-wheel-drive system. As a result, proper dynamics during acceleration, stable RPMs during highway driving, and predictable kickdown responses are maintained. Automatic gear control allows for comfortable driving in both city and highway conditions, and properly selected shift maps support both a relaxed driving style and more dynamic acceleration. Automatic gearboxes of this type are designed for long-term operation provided that proper maintenance is performed.

Technical characteristics and diesel engine operation

The gearbox has been configured to work with a diesel engine, which translates into appropriate gear ratios and adaptation to the high torque available from low RPMs. This configuration reduces unnecessary stress, improves the refinement of the drivetrain, and helps maintain stable RPMs in typical usage ranges. In practice, the driver receives:

• smooth, predictable gear changes without jerking,
• effective use of the diesel engine's torque,
• comfortable driving in traffic jams and during maneuvering,
• consistent operation with the vehicle's control systems. Thanks to its factory origin, the gearbox maintains compatibility with the software of the control units used in the specific model year and vehicle configuration, which facilitates adaptation after installation.

Condition, origin, and installation advantages

The offered transmission comes from the BMW product line and is a used component, which allows for reduced repair costs while maintaining the original design. Choosing a complete, used automatic gearbox is often a beneficial solution in the event of a major failure, where the refurbishment of the current unit involves high costs or uncertain results. The main advantages of this solution include:

• preservation of factory specifications and compatibility with the specific model,
• possibility of direct installation in place of the damaged gearbox,
• reduction of vehicle downtime in the workshop,
• no need to interfere with the drivetrain construction. For workshops and users, this means simpler repair planning and a predictable final result after replacement.

BMW automatic gearboxes – expansion and component selection

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 a converter, control elements, or additional hydraulic components, check the available parts in the BMW automatic gearboxes category. When selecting a transmission for a specific car, it is crucial to compare the gearbox markings, engine version, and drivetrain configuration. In practice, it is worth paying attention to:

• compatibility of the automatic gearbox type with the vehicle's factory specification,
• type of fuel used in the vehicle,
• body and drivetrain version (xDrive / single-axle drive),
• manufacturer's requirements regarding the installation and adaptation procedure.

Used gearbox vs. refurbishment – practical aspects

In the event of a major transmission failure, many users consider whether refurbishment or installing a complete, used unit is the better solution. It is worth familiarizing yourself with the arguments in favor of choosing original components from the secondary market – issues of cost, durability, and the risk of additional faults are discussed in more detail in the article: Manual gearbox failures in cars – why is an original used part a more sensible choice than refurbishment? If you are looking for specific drivetrain components or other hard-to-find parts for your BMW, the guide on searching for rare parts by catalog numbers and equipment versions may also be helpful: how to effectively find unusual car parts online.

Summary

BMW X5 E70 LCI X6 E71 30dX N57 Automatic Auto Gearbox is an original automatic transmission designed to work with a diesel engine and xDrive, representing a practical solution for major drivetrain damage. Choosing a complete, used automatic gearbox allows you to maintain factory driving characteristics, reduce repair costs, and shorten vehicle downtime, while maintaining high compatibility with the BMW design.