BMW 3 Series E90 E91 E92 325d 330d Rear Differential Diff 2.35 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 3 Series E90 E91 E92 325d 330d Rear Differential Diff 2.35 Ratio WARRANTY is an original drivetrain component designed for installation on the rear axle of 3 Series models equipped with diesel engines. This component ensures proper torque transfer to the wheels, stable drivetrain operation, and predictable vehicle handling in various road conditions. Thanks to the factory BMW design and the maintenance of specific gear ratio parameters, the differential allows for handling characteristics consistent with the manufacturer's specifications.

Specifications and technical data

• SKU: 7519451
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7519451
• Substitutable numbers: 33107571188, 7571188, 33107519451, 7519451, 33107571189, 7571189, 33107519452, 7519452
• Location on the vehicle: Rear
• Category: Additional Differential Parts

Purpose and function in the drivetrain

The presented rear differential is responsible for torque distribution between the rear wheels and compensating for rotational speed differences when cornering. In BMW 3 Series E90, E91, and E92 vehicles with 325d and 330d engines, it is crucial for maintaining proper traction, stability at higher speeds, and driving comfort.

Its placement on the rear axle promotes even weight distribution and allows for full utilization of the rear-wheel-drive advantages characteristic of BMW. Using an original differential from the Other differential parts category minimizes the risk of improper fitment with half-shafts, the driveshaft, and suspension components.

Compatibility and mounting parameters

The differential has been designed specifically for the E90/E91/E92 platform with 325d and 330d engines, which means it fits factory mounting points and is compatible with the original rear suspension geometry. This enables:

• maintaining the correct position of the drivetrain assembly relative to the body,
• proper connection with the driveshaft and half-shafts,
• maintaining factory operating angles for joints and bearings.

The appropriately selected internal gear ratio (consistent with 325d/330d versions) allows for maintaining stock acceleration characteristics, engine RPM during highway driving, and the operation of electronic systems such as traction control or electronic stability control.

Performance characteristics and advantages

Choosing an original rear differential for a BMW 3 Series translates into a number of practical operational benefits. The most important include:

• stable power transfer – reduced wheel slip and better vehicle control during dynamic acceleration,
• consistency with the factory drivetrain – no need for modifications to mounts, half-shafts, or the driveshaft,
• maintaining predictable vehicle behavior on wet and dry surfaces,
• compatibility with standard safety and driving comfort systems.

A component from this group is particularly important in cars with higher torque, such as the 325d and 330d, where load resistance and proper cooperation with the rest of the drivetrain have a direct impact on the durability of the entire system.

Condition, origin, and use in modernization projects

The offered differential comes from the BMW product line and is a Used type part, making it an attractive solution for repairs, restorations, and swap projects within the same generation of models. Choosing a used OEM component allows for maintaining the original drivetrain performance characteristics while optimizing service costs.

This type of solution works well both for standard replacement of a worn-out differential and for refreshing cars from model years that are increasingly treated as youngtimers. In such projects, the combination of part authenticity with a reasonable budget and the preservation of the factory driving character is what counts.

If you want to better plan the restoration of your car from this era and utilize the potential of used drivetrain components, check out the article The second life of a youngtimer – how used car parts rejuvenate cars from the 1998–2012 model years, where you will find practical tips regarding the selection and configuration of components.

Drivetrain expansion and related parts

When replacing the rear differential, it is also worth paying attention to cooperating elements, such as half-shafts, bearings, seals, or rear subframe mounts. Consistent service maintenance of the entire rear drivetrain zone allows for reducing future service downtime and ensures more predictable operation.

If you are planning a comprehensive repair or modernization of the rear axle drivetrain in your BMW and need other elements from the same group, such as housings, mounts, or additional sub-assemblies cooperating with the final drive, check the available parts in the Other BMW differential parts category.