BMW 1 3 Series E87 E90 118i 318i N46 Differential Diff 3,23 Ratio RECONDITIONED

Listing details

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

BMW 1 3 Series E87 E90 118i 318i N46 Differential Diff 3,23 Ratio RECONDITIONED is a professionally prepared, reconditioned rear differential designed for selected BMW 1 Series and 3 Series models. It offers a stable gear ratio, tailored for daily use and dynamic driving, ensuring predictable drivetrain behavior and driving comfort. Thanks to the original BMW design, this drivetrain component provides a solid foundation for repairing or restoring the original operating parameters of the drive axle.

Specifications and technical data

• SKU: 7524317-1
• Mark: BMW (Genuine OE)
• Condition: Remanufactured
• OEM Part Number: 7524317
• Substitutable numbers: 33107524317, 7524317, 33107524318, 7524318
• Location on the vehicle: Rear
• Category: Differentials

Purpose and compatibility with BMW models

The presented differential has been designed as a rear-drive component for BMW vehicles from the E87 and E90 families, in 118i and 318i engine versions. This means that its geometry, mounting points, and operating characteristics comply with the manufacturer's factory requirements, which facilitates installation and allows for maintaining the vehicle's original driving properties.

Thanks to the use of the correct 3.23 gear ratio, the differential supports the balanced character of the car – it combines reasonable engine RPM at highway speeds with appropriate throttle response in urban conditions. This solution is particularly beneficial for drivers who expect predictable handling and consistent drivetrain behavior.

Rear differential construction and role in the drivetrain

The rear differential in a BMW is responsible for distributing torque to the wheels of the driven axle and compensating for the difference in rotational speed when cornering. Its placement on the rear axle promotes the typical BMW rear-wheel-drive handling characteristics, ensuring stability and predictability in various road conditions.

A reconditioned differential from the Differentials category is a solution that allows you to restore the proper operation of the drive axle without the need to invest in a new component. A properly prepared unit minimizes the risk of noise, play, or jerking during load changes, which translates into higher driving comfort and less stress on other drivetrain components.

Reconditioned status and operational benefits

The offered differential is in reconditioned condition, which means it has undergone a process of restoring its functional efficiency in accordance with the manufacturer's specifications. This type of component is an attractive alternative to brand-new parts, especially for cars that are several or more years old, where a reasonable balance between repair cost and expected durability becomes crucial.

Choosing a reconditioned differential allows you to reduce expenses while maintaining the correct operating parameters of the drivetrain. This solution is recommended both for typical maintenance repairs and for comprehensive rear axle rebuilding after mechanical damage.

Gear ratio selection and technical support

The 3.23 gear ratio has a direct impact on acceleration characteristics and engine RPM at a constant speed. Proper selection of the differential for a specific BMW model version is crucial for maintaining the correct operation of electronic systems and the transmission. In case of doubts regarding compatibility, it is worth referring to the manufacturer's markings and service documentation to avoid incorrect component matching.

For users who want to better understand the impact of the axle ratio on car behavior and choose a configuration for their driving style, the following guide will be helpful: Dismantled drive axles and differentials – how to choose gear ratios for your driving style. The article explains the differences in gear ratios, compatibility issues, and practical application examples.

Comprehensive BMW drivetrain service

If you are planning a comprehensive repair or upgrade of the drivetrain in your BMW and need other elements from the same group, such as differential housings, drive shafts, or half-shafts, check out the available parts in the BMW Differentials category.

When planning your repair budget, it is also worth considering the wider use of reconditioned or used OEM parts, which allows you to significantly reduce service costs while maintaining an appropriate level of quality. You can find more practical tips on this topic in the article: Rising repair costs and the boom in used parts – how to save on car service?.