BMW X1 E84 18dX 20dX N47 Rear Differential Diff 2.79 Ratio 7592938 WARRANTY

Listing details

The differential is sold with a 90-day warranty! It was tested before removal and is in full working order.

BMW X1 E84 18dX 20dX N47 Rear Differential Diff 2.79 Ratio is an original rear differential from disassembly, designed for BMW X1 E84 models with the N47 engine and xDrive system. This used differential from this series is a solution for drivers looking for a technically verified drivetrain component that maintains factory gear ratio characteristics and stable vehicle handling. By maintaining the correct 2.79 ratio, the mechanism ensures predictable vehicle behavior and proper cooperation with other drivetrain components.

Specifications and technical data

• SKU: 7592939
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7592939
• Substitutable numbers: 7592939, 33107592939, 7592938, 33107592938
• Location on the vehicle: Rear
• Gearbox type: Manual
• Category: Differentials

Purpose and function of the differential

The presented differential is a drivetrain component mounted on the rear axle in the BMW X1 E84 with the N47 unit and all-wheel drive. Its task is to distribute torque between the rear wheels and adjust wheel rotation to traction conditions, which translates into stability, predictability, and driving safety. The applied 2.79 ratio affects acceleration characteristics and engine RPM at highway speeds, which is important for both comfort and fuel economy.

Compatibility with the BMW drivetrain

The differential has been designed to work with a manual transmission and xDrive system in the BMW X1 E84 in 18dX and 20dX versions. Matching the gear ratio to the specific drivetrain configuration is crucial for the system to work correctly, which is why it is worth verifying compatibility with the OEM number and interchangeable numbers in the technical specification before installation. Its location on the rear axle facilitates service and replacement in workshop conditions, and the use of an original BMW part reduces the risk of compatibility issues with electronic driving assistance systems.

Characteristics of the used differential

The offered component comes from disassembly, which means it is a used part that retains its functionality in terms of mechanical operation. This type of differential is a good choice for maintenance repairs when the priority is to maintain factory handling characteristics at a reasonable cost. The differential from the original BMW line ensures proper fitment with mounts, half-shafts, and the driveshaft, which shortens installation time and limits the need for additional modifications.

Benefits of using an original BMW differential

Using an original differential in the BMW X1 E84 allows you to maintain the consistency of the entire drivetrain, which is important for the durability of other components – the transmission, driveshaft, half-shafts, and the xDrive system. The correct 2.79 ratio helps avoid incorrect loads and errors in the operation of traction control and electronic stability systems. For workshops and users, this means more predictable installation, a lower risk of complaints, and maintaining the driving character consistent with the manufacturer's specifications.

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 drive axles, final drives, or other differentials, check the available parts in the BMW Differentials category.

To better select the gear ratio for your driving style and drivetrain configuration, it is worth reading the practical tips contained in the article Used drive axles and differentials – how to choose gear ratios for your driving style, where definitions, the relationship between gear ratios and vehicle behavior, and examples of applications in various models are discussed.