BMW E87 130i E90 E91 E92 330i N52 N52 N53 Differential Diff 3,64 Ratio WARRANTY

BMW E87 130i E90 330i N52 N53 Differential Axle 3.64 is an original rear axle with differential designed for select BMW models with N52 and N53 engines. The 3.64 gear ratio ensures dynamic drivetrain response, which is particularly valued in sporty cars. This solution is for users who expect precise torque transfer and stable handling while maintaining the factory drive concept.

Specifications and technical data

• SKU: 7566175
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7566175
• Substitutable numbers: 33107566175331075199433310756617633107519944, 7566175751994375661767519944, 33107566175, 7566175, 33107566176, 7566176, 33107519944, 7519944, 33107519943, 7519943
• Location on the vehicle: Rear
• Category: Additional Differential Parts

Purpose and Compatibility

The axle with a 3.64 ratio differential is designed for installation on the rear axle of the vehicle, in accordance with BMW's factory drive architecture. The design is dedicated to the 1 Series E87 130i and 3 Series E90 330i models with N52 and N53 units, which allows for maintaining proper traction characteristics and predictable car behavior in corners.

Original origin from the BMW brand means maintaining factory mounting points, geometry, and compatibility with the stock suspension and drive shafts. Thanks to this, the element is suitable both as a replacement for a damaged differential and as a basis for drivetrain modifications within reasonable tuning limits.

Technical Characteristics of the 3.64 Differential

The 3.64 ratio is a compromise between low-speed flexibility and highway driving comfort. In practice, this means:

• efficient acceleration in the mid-range RPM,
• better throttle response in everyday driving,
• maintaining a usable gear range at higher speeds.

An axle with a differential in this configuration is particularly attractive for drivers who want to improve the subjective feeling of dynamics without interfering with the engine or electronics. Consistency with stock BMW solutions is maintained, which facilitates service and diagnostics.

Application in BMW Tuning and Upgrades

Due to its parameters, the rear axle with a 3.64 ratio works well in projects focused on performance improvement using used, original components. It can be part of a broader modification package including suspension, brakes, or engine software, while maintaining reasonable costs.

If you are planning to build a more dynamic version of your BMW and want to consciously select used drivetrain components, it is worth reading the guide on optimal parts selection – this is discussed in detail in the article Tuning with Used Parts – How to Gain Performance Without Losing a Fortune, where you will find practical tips on safety and reliability.

Condition, Origin, and Benefits of Choosing a Used Axle

The offered axle with differential comes from the original BMW line and is a used part, which significantly reduces the cost of repair or upgrade compared to new components. Maintaining the factory design translates to proper fit with the body, compatibility with stock drivetrain elements, and predictable driving behavior.

For owners of older 1 Series and 3 Series models who want to keep their cars in good condition or give them a second life, used drivetrain components are a sensible choice. If you are interested in the broader context of restoring cars from this period, it is worth reading the article Second Life for a Youngtimer – How Used Car Parts Rejuvenate Cars from 1998–2012, which describes practical scenarios for upgrading BMWs using original disassembled parts.

Related BMW Drivetrain Components

When replacing the rear axle with a differential, it is advisable to simultaneously check the condition of the drive shafts, mounts, and other drivetrain components to fully utilize the potential of the newly installed part and limit the risk of additional service downtimes. If you are planning further work on your BMW's drivetrain and need other components from this group, check the available parts in the category Other BMW Differential Parts.