7584158 BMW Alpina Rear Axle Differantial B7

Review BMW Oem F01 F02 Alpina Rear Axle Differantial 3.46 Ratio #a0.03 for B7 2011–2012

Introducing the BMW F01 and F02 Alpina B7 Rear Axle Differential with a ratio of 3.46:1 and part number 584158, manufactured between the years 2011 and 2012. This differential is a crucial component of the vehicle's powertrain, designed to distribute engine torque evenly to both wheels on the rear axle.

The Alpina B7 is a high-performance variant of BMW's 7-Series, and this differential plays a vital role in delivering the car's impressive acceleration and handling capabilities. The 3.46:1 final drive ratio is optimized for performance, providing more power to the wheels and reducing the rotational mass of the driveshaft.

The differential housing is made from strong and lightweight materials, ensuring durability and reducing unsprung weight for improved ride comfort and handling. The differential features a limited-slip design, which allows for some degree of wheel slip during cornering, enhancing traction and stability.

The A0.03 designation refers to the differential's oil cooling system, which is essential for maintaining optimal operating temperatures during high-performance driving. The system uses a thin oil film to cool the differential, reducing the risk of overheating and ensuring reliable and consistent performance.

This differential is a direct factory replacement for the original unit in BMW F01 and F02 Alpina B7 models, making installation straightforward and hassle-free. It comes with all necessary hardware and instructions for a smooth installation process.

In summary, this BMW F01 and F02 Alpina B7 Rear Axle Differential with part number 584158 is a high-performance component designed to deliver optimal power transfer and handling capabilities. Its 3.46:1 final drive ratio, limited-slip design, and oil cooling system make it an essential upgrade for those seeking to maximize the potential of their Alpina B7.

The BMW Alpina B7 with the 3.46 rear axle differential (part number: BMW 7584158, produced between 2011 and 2012 for models F01 and F02) is a high-performance luxury vehicle. This differential is an essential component of the drivetrain system, and its primary function is to transmit power from the engine to the wheels while allowing them to rotate at different speeds during turns. Replacing or upgrading the differential can have significant impacts on the vehicle's performance, efficiency, and handling. In this analysis, we will discuss the pros and cons of buying this specific BMW Alpina B7 rear axle differential.

1. Improved Performance: A higher gear ratio like 3.46:1 allows the engine to deliver more power to the wheels, resulting in better acceleration and overall performance. This can be particularly beneficial for those who enjoy driving with a sporty and responsive feel.

2. Enhanced Handling: A more aggressive final drive ratio enhances the vehicle's cornering abilities by reducing understeer and improving traction during turns. This can lead to a more engaging driving experience for enthusiasts.

3. Durability: Alpina, as a BMW sub-brand, is known for producing high-quality, performance-oriented components. The B7 rear axle differential is no exception, as it is built to withstand the increased power and torque demands of high-performance driving.

1. Higher Cost: A more robust and efficient differential will typically come at a higher cost compared to the stock unit. This may not be a significant concern for those who prioritize performance and driving enjoyment over budget considerations.

2. Potential for Increased Wear and Tear: The increased power and torque transmitted through the differential may lead to increased wear and tear on other drivetrain components, such as the CV joints and driveshafts. This may require more frequent maintenance or replacement of these components.

3. Limited Application: This differential is specifically designed for the BMW Alpina B7 F01 and F02 models and will not be a direct fit for other BMW vehicles. This may limit its potential value for those who own other BMW models.

The BMW Alpina B7 rear axle differential with a 3.46:1 ratio offers several benefits, including improved performance, enhanced handling, and durability. However, it also comes with some drawbacks, such as a higher cost and potential increased wear and tear on other components. Ultimately, the decision to purchase this differential depends on individual priorities and preferences. For those who value performance and driving enjoyment above all else, this differential may be a worthwhile investment. For others, the higher cost and potential maintenance requirements may outweigh the benefits.

Those who are considering purchasing the BMW Alpina B7 rear axle differential should carefully weigh the pros and cons discussed above and consider their personal driving habits, preferences, and budget. If you prioritize performance and driving enjoyment and are willing to invest in a high-quality, durable component, then this differential may be an excellent choice. However, if you are more budget-conscious or have limited use for the additional performance, it may be more practical to stick with the stock differential. Ultimately, the decision is yours to make based on your unique circumstances and priorities.

Details:

Mileage -104,849. Selling a used Bmw f01 f02 alpina B7 rear axle differential carrier. Model -alpina B7 swab. In good condition.

Comes as you see.

specifications differentialsdepo:

• for years: 2011–2012
• brand: Bmw
• mpn: 7584158
• part type: Axle
• oe/oem part number: Oem 2011 2012 Bmw F01 F02 Alpina B7 Rear Axle Differantial Carrie
• country of origin: Germany
• placement on vehicle: Lower, Rear

offer differentialsdepo:

• availability: in stock
• started: january 26, 2026
• options: ship-to-home
• prices: $299.00–$764.99
• item condition: Used
• best offers: true
• in stock #: 3
• sold #: 10

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• time: 14 days
• paid by: buyer
• policy: returns accepted

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• # reviews: 1058
• city: lyman, south carolina
• rating: 99.9%

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• service: fedex ground / fedex home delivery
• carrier: fedex
• class: standard
• type: fixed
• transit: 3-7 days

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials > Assemblies

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