BMW F10 F11 535d F01 740d Rear Differential Diff 2,65 Ratio 7630824 WARRANTY

Listing details

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

BMW F10 F11 535d F01 740d Rear Differential Diff 2,65 Ratio is an original drivetrain component from the Differentials category, designed for installation on the rear axle of selected rear-wheel-drive BMW models. A used drive axle with the correct gear ratio allows you to maintain the factory acceleration characteristics, engine RPM, and acoustic comfort. This is a solution for users who expect a part that is structurally consistent with the vehicle's factory equipment.

Specifications and technical data

• SKU: 7630825
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7630825
• Substitutable numbers: 7630825, 33107630825, 33107630824, 7630824
• Location on the vehicle: Rear
• Category: Differentials

Purpose and function of the differential

The presented rear axle operates in the drivetrain as a component that distributes torque to the rear wheels, ensuring smooth power delivery and stable vehicle behavior during acceleration and constant-speed driving. The applied gear ratio provides a balanced compromise between dynamics and fuel economy, which is particularly important in the powerful diesel engines used in the F10 and F01 series.

By maintaining factory geometry and construction, the differential works seamlessly with the stock suspension, half-shafts, and vehicle electronics, minimizing the risk of unwanted vibrations or noise. This is a solution that allows you to restore the proper operation of the drivetrain after a failure or wear of the previous axle.

Construction and vehicle placement

The differential is designed for installation in the rear axle area of the vehicle, replacing the factory drive axle. The housing design is adapted to the stock mounting points on the chassis, which facilitates installation and allows for the use of original accompanying components, such as brackets or suspension bushings.

The internal layout of the differential has been designed to handle the high torque characteristic of the 35d and 40d units, while maintaining appropriate durability and operational smoothness. The properly selected rear axle ratio affects:

• engine RPM at highway speeds,
• throttle response and flexibility during acceleration,
• acoustic comfort inside the cabin.

Benefits of using an original BMW differential

Using an original differential from disassembly allows you to maintain the consistency of the entire BMW drivetrain without the need for modifying mounts or interfering with control electronics. This is especially important in vehicles equipped with advanced traction and stability control systems, which are calibrated for a specific rear axle ratio.

The main advantages of this solution include:

• Maintaining factory handling characteristics – the car reacts to throttle and load changes in the manner intended by the manufacturer.
• Consistency with stock controller software – no need for additional tuning for a different gear ratio.
• The possibility of effective drivetrain repair at reasonable costs, while maintaining a high-quality component.

Condition, verification, and vehicle compatibility

The offered differential is a used part, sourced from disassembly, which allows for economical repair while maintaining the original BMW specification. Before installation, a standard check of seals, backlash, and oil condition is recommended, in accordance with workshop practices for drive axles.

To correctly match the differential to a specific BMW model, it is worth verifying the compatibility of the gear ratio and drivetrain version with the vehicle's data. Comparing the axle markings with information in service documentation or parts catalogs is helpful to avoid differences in drivetrain performance characteristics.

For users who want to deepen their knowledge about gear ratio selection and axle compatibility, the following article describing the practical aspects of choosing a differential will be useful: Used drive axles and differentials – how to choose gear ratios for your driving style.

Drivetrain expansion and additional resources

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

In a situation where you want to reduce vehicle downtime at the workshop and want to better understand how a wide range of parts from a single warehouse affects repair time, it is worth reading the guide: how a wide assortment in one warehouse actually reduces your car's downtime at the mechanic.