BMW X3 F97 X4 M F98 Transfer Box Electric Gearbox ATC13 7889555 9504252 WARRANTY

Listing details

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

BMW X3 F97 X4 M F98 Transfer Box Electric Gearbox is an original BMW drivetrain component, designed for the X3 F97 and X4 M F98 all-wheel-drive models. As part of the Transfer cases group, it is responsible for the precise transfer of torque between the axles, which is crucial for traction, stability, and driving safety. This used OEM component is a solution that allows for a technically correct repair of the xDrive system while maintaining factory performance characteristics.

Specifications and technical data

• SKU: 7889555
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7889555
• Substitutable numbers: 27107889555, 7889555, 9504252, 27608747765, 8747765, 27608098425, 8098425, 27608092622, 8092622
• Category: Transfer Cases

Purpose and function in the drivetrain

The transfer case in the BMW X3 F97 and X4 M F98 serves as the central element of the all-wheel-drive system. It is responsible for:

• distributing torque between the front and rear axles,
• stable operation of the xDrive system in various road conditions,
• smooth engagement and disengagement of the drive according to road situations.

Thanks to the use of an original transfer case, proper cooperation with the vehicle's electronics, control units, and other drivetrain components is maintained.

Compatibility and interchangeable numbers

The offered transfer case belongs to the ATC13 family used in the BMW X3 F97 and X4 M F98, and its design complies with the manufacturer's factory requirements. The part has a dedicated OEM number and a set of interchangeable numbers, which facilitates the selection of the correct component for a specific vehicle configuration.

Before purchasing, it is worth comparing the markings with the vehicle data and the manufacturer's specifications to ensure full mechanical and electronic compatibility. The presence of reference numbers allows for the safe replacement of a damaged transfer case with a suitable, original component from the same design group.

Characteristics of the used component

The transfer case comes from dismantling and is an original BMW component, which means it retains factory operating parameters and proper fitment with other drivetrain components. A used component is a solution often chosen as an alternative to new parts or costly regeneration, especially in the case of advanced elements such as a transfer box.

In practice, installing an original, used transfer case allows for:

• maintaining the correct operation of the xDrive system,
• reducing repair costs while maintaining high quality,
• preserving the factory driving characteristics of the vehicle.

Benefits of using an original BMW transfer case

Using a transfer case dedicated to the BMW X3 F97 and X4 M F98 provides a number of practical benefits:

• Factory fit – proper connection with drive shafts, gearbox, and mounting elements, without the need for modifications.
• Consistent cooperation with electronics – correct communication with all-wheel-drive control systems.
• Stable vehicle behavior – predictable drive operation in both comfort and dynamic modes.

For users who value precise handling and traction confidence in BMW SUVs, a properly selected transfer case is a key element in maintaining the expected driving performance.

Condition, installation, and practical aspects

The offered transfer case is a used part, which in practice allows for a significant reduction in repair costs while maintaining the original BMW design. Before installation, standard workshop verification and the use of appropriate consumables in accordance with the vehicle manufacturer's recommendations are recommended.

If you are planning a comprehensive repair or upgrade of your BMW's drivetrain area and need other elements from the same group, such as additional transfer cases, complete housings, or related drive distribution modules, check the available parts in the BMW Transfer cases category.

Expert support when choosing a used component

When selecting a used transfer case, it is worth paying attention to design compatibility, reference numbers, and the technical condition of the element. Additional information on the cost-effectiveness of purchasing used drivetrain components, the differences between regeneration and replacement, and compatibility issues can be found in the article: Used gearbox – when is it worth it and what you need to remember. This will make it easier for you to assess whether choosing a used transfer case will be the optimal solution for your BMW.