Rear Differential BMW F10 M5 F06 F12 M6 Diff Drive 3,15 Ratio 8090474 WARRANTY

Listing details

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

Rear Differential BMW F10 M5 F06 F12 M6 Diff Drive 3,15 Ratio is an original drivetrain component from the Differentials category, designed for installation on the rear axle of BMW M-series sports models. This solution is engineered for stable torque transfer, precise vehicle handling, and maintaining the factory drivetrain performance characteristics in demanding road and track conditions.

Specifications and technical data

• SKU: 8090474
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8090474
• Substitutable numbers: 33108090474, 8090474, 33108090481, 8090481, 33102284171, 33102284173, 2284171, 2284173, 2284170
• Location on the vehicle: Rear
• Category: Differentials

Purpose and function in the drivetrain

The rear differential in BMW M5 F10 and M6 F06, F12, F13 models is responsible for controlled torque distribution between the rear wheels, which directly impacts traction, stability, and predictable vehicle behavior. A properly selected differential allows for full utilization of the engine's potential, limiting wheel slip during dynamic acceleration and when exiting corners.

Its placement on the rear axle means this component works directly with the half-shafts and suspension, and its construction is adapted to the high loads characteristic of the M series. This ensures the consistency of the entire drivetrain's operation, which is important for both daily driving and intensive use.

Benefits of using an original BMW differential

Using an original rear differential dedicated to specific M5 and M6 generations ensures:

• Factory fitment to the suspension geometry and drivetrain without the need for modifications.
• Consistency of handling characteristics with the manufacturer's specifications – predictable behavior at high speeds.
• Optimal power transfer to the rear wheels, which supports stability during acceleration.
• Reduced risk of improper installation compared to universal or adapted parts.

A component from this group is particularly important in high-power vehicles, where precise differential operation has a direct impact on safety and performance repeatability.

Product characteristics and practical application

The presented rear differential is an original BMW part, sourced from disassembly, which allows for maintaining compliance with factory design solutions. A used component of this class is an attractive alternative to new parts, especially for advanced M models where the cost of new components is high.

In practice, this means the ability to restore full drivetrain efficiency after a differential failure, mechanical damage, or operational wear. Installing an original rear differential allows for maintaining the correct gear ratios and drivetrain performance characteristics, provided the selection is made in accordance with the manufacturer's markings and the vehicle's specific configuration.

Differential selection and technical aspects

When selecting a rear differential for a BMW M5 F10 or M6 F06/F12/F13, it is crucial to pay attention to compatibility with the body version, drivetrain type, and factory configuration. Verification by part number, interchangeable numbers, and vehicle data helps avoid installation issues and gear ratio discrepancies. In case of doubt, it is worth comparing parameters with service documentation or a specialized BMW catalog.

For users who want to better understand the impact of gear ratios and differential construction on vehicle behavior, the following expert guide will be useful: Dismantled drive axles and differentials – how to choose gear ratios for your driving style. The article discusses definitions, gear ratio selection, compatibility between models, and practical examples of using salvaged parts.

Application area and BMW drivetrain expansion

The rear differential is a central element of the rear drivetrain area, working with half-shafts, hubs, and suspension. If you are planning a comprehensive repair or upgrade of the rear axle drivetrain in your BMW and need other elements from the same group, such as additional differentials, axles, or complete rear drive assemblies, check the available parts in the BMW Differentials category.

For a broader perspective on the cost-effectiveness of using salvaged parts in the drivetrain, including gearboxes and engines, it is worth reading the guide: Why it is worth buying used gearboxes and engines – facts instead of myths. It allows for a better assessment of the cost-to-benefit ratio when choosing used drivetrain components.