BMW U06 X1 U11 B38X Automatic Gearbox DCT GD7Q30KG 5B12601 WARRANTY

Listing details

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

BMW U06 X1 U11 B38X Automatic Gearbox DCT GD7Q30KG is a factory-original, dual-clutch automatic transmission from the Automatic transmissions segment, designed for modern BMW X1 series models and related constructions. This type of used component allows for a technically sound, cost-effective transmission replacement while maintaining performance characteristics consistent with the manufacturer's specifications.

Specifications and technical data

• SKU: 5B12601
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5B12601
• Substitutable numbers: 5B12601, 28005B12601, 5B12501, 28005B12501, 7DCT300TUE
• Gearbox type: Automatic
• Part type: Automatic Transmission
• Category: Automatic Transmission

Technical characteristics of the DCT gearbox

The presented gearbox belongs to the BMW automatic transmissions group with a dual-clutch drivetrain system, which translates into fast, smooth gear shifts and efficient utilization of the B38X engine's torque. The Automatic design ensures ease of operation in city traffic while maintaining the dynamic throttle response essential for premium-class vehicles.

The DCT architecture has been designed for precise integration with the vehicle's electronics, traction control systems, and driving modes. As a result, the transmission maintains stable operating parameters both during relaxed driving and in more demanding operating conditions.

Application and compatibility with BMW U06 X1 / U11 B38X

The described transmission model has been configured to work with the B38X unit in BMW U06 X1 and U11 bodies, which facilitates maintaining the factory characteristics of acceleration, engine speed, and fuel consumption. Proper matching of gear ratios to the weight and aerodynamics of these models allows for predictable vehicle behavior after the transmission replacement.

For proper component selection, it is recommended to verify compatibility using the OEM number or interchangeable numbers, as well as the vehicle's VIN. This approach minimizes the risk of incompatibility regarding control systems, mounting, or associated equipment.

Condition, verification, and benefits of choosing a used gearbox

The offered gearbox comes from the used OEM components segment, which in practice means a favorable compromise between repair costs and maintaining the manufacturer's original specifications. Choosing a complete, used automatic transmission is often a faster and more predictable solution than repairing a severely damaged gearbox at a specialized service center.

Before installation, standard workshop procedures are recommended: leak checks, verification of mounting points, preparation of the oil cooling system, and the use of appropriate lubricant in accordance with BMW recommendations. Properly performed installation and electronic adaptation allow for seamless integration of the gearbox with the vehicle's existing installation.

Technical support, selection, and additional information

To better understand the specifics of purchasing a used transmission and the procedures for selection by VIN and OEM numbers, it is worth reading our expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths. The article discusses, among other things, cost differences, common myths, and practical tips regarding installation and diagnostics.

If you are planning a comprehensive repair or upgrade of the drivetrain area in your BMW and need other components from the same group, such as transmissions with similar characteristics, variants with different gear configurations, or additional units for comparison, check the available parts in the BMW automatic transmissions category.