Rear Differential BMW F10 M5 F06 F12 M6 Diff Drive 3,15 Ratio 2284170 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 component ensures precise torque transfer to the wheels, stable handling, and predictable vehicle behavior during dynamic driving.

Specifications and technical data

• SKU: 8090474-1
• 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 compatibility

The presented rear differential is structurally matched to the BMW M5 F10 and BMW M6 F06, F12, and F13 models, which are high-power vehicles requiring a robust and durable differential. The component is designed for operation in the drivetrain with placement on the rear axle, which is crucial for the correct distribution of driving forces and traction in rear-wheel-drive cars.

Thanks to the use of factory BMW solutions, the differential maintains full compatibility with the suspension geometry, half-shafts, and vehicle electronics, which facilitates installation and reduces the risk of fitment issues.

Technical and functional characteristics

The rear differential in this configuration is responsible for distributing torque between the rear wheels, stabilizing traction, and properly transferring engine power to the road surface. In vehicles such as the M5 and M6, this is of particular importance during:

• acceleration on straight sections,
• exiting corners under load,
• maintaining predictable slip during sports driving.

The original BMW design ensures consistency with factory drivetrain settings, which translates into the repeatable driving experience well-known to BMW M drivers. Using a differential from the same family allows for maintaining the correct gear ratios and drive response characteristics without the need for interference with engine or transmission control systems.

Condition, origin, and advantages of using a used component

The offered BMW rear differential comes from dismantling and is a used component, which provides a favorable compromise between cost and maintaining the manufacturer's original specifications. Compared to non-factory replacements, using an OEM component allows you to:

• maintain factory drivetrain operating parameters,
• preserve proper fitment with mounts and half-shafts,
• minimize the risk of mechanical incompatibility.

For users who intensively use their M5 or M6, replacing a worn differential with an original used part is often the most rational service solution, allowing for the restoration of proper drive operation without excessive costs.

Practical application and installation aspects

The rear differential in this configuration is intended for installation in the rear part of the vehicle, in place of the factory differential. When correctly selected for a specific BMW M5 or M6 model version, installation follows standard workshop procedures using factory mounting points. Key benefits of using this component include:

• restoring proper drivetrain operation after failure or wear,
• maintaining the handling characteristics typical of M models,
• limiting additional mechanical modifications.

For workshops specializing in the BMW brand, using an original differential from this series facilitates diagnostics, service, and subsequent vehicle maintenance, as operating parameters remain consistent with the manufacturer's documentation.

Gear ratio selection and technical knowledge

When replacing a differential in high-power cars, an informed selection of gear ratios for the driving style and nature of use is particularly important. A properly selected rear differential affects acceleration dynamics, engine RPM at cruising speeds, and vehicle behavior in corners. If you want to deepen your knowledge on selecting a drive axle and differential for specific applications, it is worth reading the article Dismantled drive axles and differentials – how to choose gear ratios for your driving style, which discusses definitions, ratios, compatibility, and practical examples.

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, other differential configurations, or compatible rear-drive sub-assemblies, check the available parts in the BMW Differentials category.