BMW 1 E87 118d rear Differential Diff 2,47 ratio DIESEL 4 BOLTS 7556794 WARRANTY

BMW 1 E87 118d rear Differential Diff 2,47 ratio DIESEL 4 BOLTS with a 2.47 ratio is a factory drivetrain component designed for Diesel engine versions. This is a used, fully functional rear axle differential that allows for professional repair of the rear-wheel drive system without interfering with the vehicle's construction, maintaining the original operating characteristics of the differential unit.

Specifications and technical data

• SKU: 7556794
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7556794
• Substitutable numbers: 33107556794, 7556794, 33107542091, 7542091, 33107556795, 7556795, 33107542092, 7542092
• Location on the vehicle: Rear
• Fuel type: Diesel
• Category: Differentials

Purpose and function in the drivetrain

The offered rear differential is dedicated to the rear axle of the BMW 1 Series E87 in the 118d version, ensuring proper fitment to the suspension geometry and factory mounting points. The component is responsible for distributing torque to the rear wheels, ensuring stable drivetrain operation, and providing the correct gear ratio, which is essential for both driving dynamics and fuel economy.

The 2.47 ratio is characteristic of diesel units, ensuring smoother engine operation at highway speeds and predictable vehicle behavior under typical road conditions. Thanks to this, the differential performs well in daily use, combining durability with driving comfort.

Construction, installation, and compatibility

The differential belongs to the Differentials category and is structurally prepared for installation on the vehicle's rear axle. The mounting solutions used allow for a direct replacement of a damaged rear axle with the presented component, without the need for structural modifications.

As an original BMW part, the differential maintains compliance with factory quality standards and manufacturing tolerances. This is particularly important for drivetrain components, where the precision of fit affects the smoothness of operation, noise levels, and the durability of the entire system.

Benefits of using a used differential

Using a used differential in a BMW 1 E87 118d is a sensible solution for drivers who want to restore full drivetrain efficiency at controlled service costs. An original salvaged rear axle allows you to maintain factory operating parameters while reducing expenses compared to purchasing a new component.

The main advantages of this solution include:

• maintaining the original gear ratio characteristics for the diesel unit,
• factory fitment to the suspension and drivetrain of the BMW 1 E87 118d,
• the possibility of quick replacement of a damaged differential without additional modifications.

Professional gear ratio selection and technical support

Selecting the right differential for a specific engine version and driving style is crucial for drivetrain durability and user comfort. In the case of Diesel units, it is important to maintain the appropriate gear ratio to avoid excessive engine and transmission load, as well as unwanted changes in vehicle dynamics.

If you want to better understand how the rear axle ratio affects vehicle behavior, it is worth consulting specialized materials. Practical tips, configuration examples, and a discussion of gear ratio differences can be found in the article Salvaged rear axles and differentials – how to choose gear ratios for your driving style, which explains the most important technical issues in an accessible way.

Expanding the BMW drivetrain – Differentials

If you are planning a comprehensive repair or upgrade of the rear drivetrain area in your BMW and need other components from the same group, such as additional axles, alternative ratios, or other differential configurations, check out the available parts in the BMW Differentials category.

Summary

BMW 1 E87 118d rear Differential Diff 2,47 ratio DIESEL 4 BOLTS is a technically matched drivetrain component for the diesel engine version. The original BMW design, intended for the rear axle, and the preservation of the factory gear ratio make this a practical solution for repairing or restoring the drivetrain efficiency of your car, while maintaining proper driving characteristics and predictable vehicle behavior on the road.