BMW E90 330xd E93 330d M57N2 Rear Differential Diff 2,93 Ratio 7571180 WARRANTY

Listing details

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

BMW E90 330xd E93 330d M57N2 Rear Differential Diff 2,93 Ratio with a 2.93 gear ratio is an original drivetrain component, specifically designed to work with the powerful M57N2 engine and rear-wheel drive system. Thanks to its factory BMW design, it ensures consistent torque transfer, proper acceleration characteristics, and stable vehicle behavior at higher speeds. This solution is intended for users who expect precise fitment and the preservation of factory driving parameters.

Specifications and technical data

• SKU: 7571181
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7571180
• Substitutable numbers: 33107571181, 7571181, 33107571180, 33107519454, 33107519453, 7571180, 7519454, 7519453
• Location on the vehicle: Rear
• Category: Additional Differential Parts

Purpose and function in the drivetrain

The presented rear differential is dedicated to BMW 3 Series E90 330xd and E93 330d models with the M57N2 unit, where it is responsible for distributing power to the rear wheels and ensuring the correct gear ratio between the driveshaft and the half-shafts. The 2.93 ratio was selected by the manufacturer to provide a balance between acceleration dynamics and comfortable, economical driving at highway speeds. Using an original differential allows for maintaining the factory operating characteristics of the transmission, stability control systems, and the drivetrain.

Construction and key technical features

The differential has been designed as an integral part of the rear drivetrain, with a housing adapted to the standard mounting points in the E90/E93 chassis. The design provides compatibility with factory half-shafts and the driveshaft, which facilitates installation and reduces the need for additional modifications. The properly selected 2.93 ratio contributes to:

• smoother engine operation at higher wheel rotational speeds,
• stable acceleration across the full gear range,
• predictable vehicle behavior in both comfort and dynamic modes.

Thanks to its factory geometry and parameters, the differential maintains compatibility with BMW electronic systems, such as traction control or stability control, which is crucial for higher-power vehicles.

Vehicle placement and installation aspects

The component is intended for installation in the rear of the vehicle, within the drive axle, as the main module for transferring power to the rear wheels. Its placement at the rear of the vehicle facilitates service access during replacement or inspection, and the use of the original housing allows for the use of standard mounts and accessories. In practice, this means:

• the possibility of installation in place of a worn differential without structural modifications,
• maintaining the factory position relative to the driveshaft and half-shafts,
• easier inspection of seals and operational condition during maintenance.

With proper installation using appropriate service materials, the differential ensures consistent and predictable drivetrain operation during daily use and under higher loads.

Benefits of using an original BMW differential

Using an original differential in a BMW E90 330xd or E93 330d M57N2 allows you to maintain driving parameters consistent with the manufacturer's specifications. Compared to aftermarket replacements or improperly selected gearboxes, this component ensures:

• factory fitment for the power and torque of the M57N2 engine,
• proper cooperation with the stock transmission and drivetrain electronics,
• consistent driving sensations, similar to the vehicle's state when it left the factory.

For users who expect to maintain the driving character typical of powerful BMW diesels, choosing such a differential is a technically safe and predictable solution.

Integration with other BMW drivetrain components

When replacing the differential, it is worth paying attention to the condition of other rear drivetrain components, such as half-shafts, mounts, or suspension elements near the axle. A consistent service approach helps reduce the risk of additional vibrations, noises, or leaks. 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 housings, mounts, or additional gears, check out the available parts in the Other BMW differential parts category.

Operational advice and cost optimization

When selecting and replacing drivetrain components, it is worth being guided not only by price but also by the quality and technical compatibility of the parts. Properly selected components help reduce the risk of secondary failures and additional service costs. For drivers interested in conscious operation and expense optimization during mechanical repairs, the article on economical vehicle maintenance may be helpful – you can find more practical tips in the material Economical Ford maintenance – where to look for the biggest savings on mechanical and body repairs, the principles of which can also be applied to planning service for other brands.