BMW E90 E91 E92 335d M57N2 Rear Differential Diff 2,81 7571175 4552330 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 E91 E92 335d M57N2 Rear Differential Diff 2,81 is an original drivetrain component from the Differentials category, designed for rear axle installation in BMW 3 Series models equipped with the M57N2 engine. It ensures stable torque transfer to the wheels, supporting dynamic yet predictable drivetrain performance in high-output 335d diesel units.

Specifications and technical data

• SKU: 7571176
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7571176
• Substitutable numbers: 33107571176, 7571176, 33107561281, 7561281, 33107571175, 7571175, 33107561280, 7561280, 4552330
• Location on the vehicle: Rear
• Category: Differentials

Purpose and function in the drivetrain

The presented rear differential is structurally matched to the drivetrain architecture of the BMW 3 Series E90, E91, and E92 with the M57N2 engine in the 335d version. As the rear axle drive unit, it is responsible for distributing torque between the wheels, maintaining the correct gear ratio, and working in harmony with other drivetrain and suspension components.

Selecting the correct differential has a direct impact on acceleration characteristics, flexibility in higher gears, and driving comfort at highway speeds. The applied gear ratio provides a balanced compromise between dynamics and fuel economy in the powerful 335d diesel engine.

Compatibility and fitment

The differential has been designed specifically for the rear of the vehicle, taking into account the suspension geometry and mounting points characteristic of the E90/E91/E92 platform. This ensures proper fitment with the rear subframe, half-shafts, and driveshaft, without the need for any modifications to the vehicle's structure.

By utilizing original BMW specifications, the component maintains compliance with factory manufacturer standards regarding operation with traction control systems, electronic stability programs, and standard drivetrain control electronics.

Performance characteristics and benefits

Using this rear differential in a BMW 335d M57N2 allows for maintaining drivetrain consistency with the manufacturer's factory specifications. In practice, this translates into:

• predictable vehicle behavior during acceleration and downshifting,
• stable transfer of the 335d unit's high torque to the rear axle,
• proper drivetrain refinement during daily use and highway driving,
• maintenance of correct cooperation with the stock gearbox and vehicle electronics.

As an item from the Differentials category, this product is particularly important for repairs involving noise from the rear drivetrain, gear backlash, or issues with smooth power delivery.

Condition, origin, and practical application

The offered differential is a salvaged, used component, making it an attractive cost-effective solution while maintaining original BMW specifications. This type of component is often chosen both for standard drivetrain repairs and for modifications related to adjusting gear ratios to an individual driving style.

Before installation, standard workshop procedures are recommended: verifying seals, checking for backlash, and changing the differential oil in accordance with service recommendations for the specific BMW model. A correctly selected and installed rear differential significantly reduces the risk of unwanted vibrations, knocking, and accelerated wear of mating parts.

Additional technical information and supporting materials

To better understand the impact of the final drive ratio on vehicle behavior and to choose a configuration that suits your driving style, it is worth reading our guide: Salvaged drive axles and differentials – how to choose gear ratios for your driving style. The article discusses definitions, gear ratio selection, compatibility with specific models, and practical examples of using salvaged differentials.

If you are planning a comprehensive repair or upgrade of your BMW's drivetrain and need other components from the same group, such as rear axles, differentials, or complete drive units, check out the available parts in the BMW Differentials category.

For larger upgrade or tuning projects where you are using salvaged components, our practical guide on the pitfalls of buying used parts may also be helpful: Buying used car parts – the most common mistakes when choosing tuning parts. It will help you plan your drivetrain work more effectively and avoid poor purchasing decisions.