BMW F10 F11 525d Diesel N57 Rear Differential Diff 7584452 2,47 Ratio WARRANTY

Listing details

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

BMW F10 F11 525d Diesel N57 Rear Differential Diff is an original drivetrain component designed for the rear axle of BMW models equipped with the N57 diesel engine. This used differential with a 2.47 ratio provides a solid foundation for restoring proper drivetrain operation, ensuring stable torque transfer and predictable vehicle handling on the road. It is a solution for users seeking parts with factory geometry and fitment, without the need for a costly purchase of a new component.

Specifications and technical data

• SKU: 7584453
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7584453
• Substitutable numbers: 7584453, 33107584453, 33107584452, 7584452
• Location on the vehicle: Rear
• Fuel type: Diesel
• Category: Differentials

Purpose and function of the drive axle

The presented differential belongs to the Differentials category and is mounted on the vehicle's rear axle. It is responsible for distributing drive to the wheels and providing the correct gear ratio between the driveshaft and the hubs, which has a direct impact on acceleration dynamics, engine RPM at highway speeds, and the overall refinement of the drivetrain.

The axle has been designed to work with a diesel unit, ensuring its 2.47 ratio is adapted to the torque characteristics of the diesel engine. This configuration promotes calm, economical driving while maintaining sufficient power reserves for overtaking and driving at higher speeds.

Compatibility with BMW F10 / F11 525d N57

The differential is intended for use in BMW 5 Series F10/F11 generation models in the 525d version with the N57 engine, where it serves as the rear link in the drivetrain. The axle design is compatible with factory mounting points, which facilitates installation and allows for the preservation of original suspension geometry and driveshaft alignment.

Selecting a differential with a 2.47 ratio is particularly important for maintaining correct engine RPM at a given speed. Using a component with a different ratio could result in a change in driving characteristics, which is why choosing a component with the correct parameters is crucial for comfort and predictable handling.

Operating characteristics with a diesel engine

The axle has been configured to work with a drivetrain based on a diesel engine, meaning its ratio and load-bearing characteristics account for the high torque available in the low and mid-RPM ranges. As a result, the differential helps maintain favorable engine RPM during steady-speed driving, supporting moderate fuel consumption.

The 2.47 ratio promotes calm, smooth driving, limiting excessive engine RPM at highway speeds. For the user, this means more comfortable cabin acoustics, reduced engine load, and stable vehicle behavior during long trips.

Condition, origin, and advantages of using a used part

The offered differential is a used item, which allows for a significant reduction in repair costs compared to a new component, while maintaining factory design and fitment for the specific model. Choosing an original salvaged axle is a solution often preferred by workshops specializing in the BMW brand, as it enables the retention of serial drivetrain operating parameters.

In practice, using such a component is beneficial in situations where the existing differential has suffered mechanical wear, collision damage, or exhibits excessive noise. Replacing it with a functional unit of the same ratio allows for the restoration of proper drivetrain operation without the need for interference with control electronics or software changes.

Ratio selection and additional technical materials

When replacing the drive axle, it is crucial to match the ratio to the gearbox, engine type, and expected driving style. Proper parameter selection helps avoid issues with driver assistance systems, controller errors, and unwanted changes in vehicle dynamics. To better understand the relationships between differential ratio, engine characteristics, and driving comfort, it is worth checking out our guide Salvaged drive axles and differentials – how to choose ratios for your driving style, which discusses practical examples and the most common questions from drivers.

If you are planning a comprehensive repair or upgrade of the drivetrain area in your BMW and need other items from the same group, such as additional axles, differentials with different ratios, or compatible rear-wheel drive components, check out the available parts in the BMW Differentials category.