BMW F10 F11 Rear Differential Diff 3,38 Ratio 4598071 7578149 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 Rear Differential Diff 3,38 Ratio 4598071 7578149 WARRANTY is an original drivetrain component from the Differentials category, designed for installation on the rear axle of BMW 5 Series F10/F11 models. A used final drive with the correct gear ratio allows you to maintain factory acceleration characteristics, engine RPM, and acoustic comfort while driving. This is a solution for users who expect a technically correct and cost-effective replacement for a worn-out differential.

Specifications and technical data

• SKU: 7578150-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7578150
• Substitutable numbers: 7578150, 33107578150, 4598071, 33107578149, 7578149
• Location on the vehicle: Rear
• Category: Differentials

Purpose and function in the drivetrain

The presented rear differential is structurally matched to the BMW F10/F11 platform, where it is responsible for torque distribution to the rear wheels and maintaining the correct final drive ratio. The 3.38 ratio used is characteristic of specific drivetrain configurations for these models, providing a balanced compromise between dynamics and driving economy.

Its placement on the vehicle in the rear axle zone means that the component works directly with the driveshaft and half-shafts, transferring loads during both calm and more dynamic driving. A properly selected rear axle reduces unwanted vibrations, improves stability at higher speeds, and contributes to predictable vehicle behavior in corners.

Benefits of using an original BMW differential

Using an original differential in a BMW F10/F11 allows you to maintain the factory operating parameters of the drivetrain without the need for structural modifications. Key advantages include:

• Factory fitment to the suspension geometry and rear axle drivetrain.
• Consistent gear ratio characteristics with factory engine and transmission control unit settings.
• Reduced risk of incorrect installation due to maintaining the original design concept.
• The ability to restore stock driving characteristics after a failure or wear of the previous axle.

A used differential with preserved OEM structure is a particularly beneficial solution for post-accident repairs, replacement after mechanical damage, or restoring a car to a near-factory state after previous modifications.

Gear ratio selection and compatibility with vehicle configuration

The final drive ratio has a direct impact on engine RPM at a given speed, perceived dynamics, and acoustic comfort. In the BMW F10/F11, proper differential selection is particularly important for different engine variants and transmissions. When replacing the rear axle, it is worth paying attention to:

• compatibility of the gear ratio with the factory specification of the given engine and transmission,
• type of drivetrain (rear-wheel drive),
• intended use of the car – highway driving, city driving, or more dynamic use.

To better understand the impact of the gear ratio on driving characteristics and to avoid selection errors, it is worth using the advice contained in the article Dismantled drive axles and differentials – how to choose gear ratios for your driving style, where practical configuration examples and the most frequently asked user questions are discussed.

Condition, practical application, and role in BMW F10/F11 service

The offered item is in used condition, which allows for economical repair while maintaining the original BMW design. Such a differential will work well both in daily use and in the case of fleet cars or intensively used vehicles, where repeatability of parameters and predictable vehicle behavior are important.

Replacing the rear axle is particularly recommended for symptoms such as noticeable noises from the rear of the car, jerking during acceleration, uneven power delivery, or noticeable play in the system. Using an original differential from the Differentials category allows you to restore the proper operation of the drivetrain without experimenting with unreliable replacements.

If you are planning a comprehensive repair or upgrade of the rear axle drivetrain area in your BMW and need other components from the same group, such as additional axles, differentials with a different ratio, or compatible rear-wheel drive sub-assemblies, check the available parts in the BMW Differentials category.

Support for BMW restoration and modernization

The rear differential for the BMW F10/F11 is often a key element in larger service or restoration projects, especially for cars from model years that are beginning to be treated as youngtimers. In such projects, it is important to reasonably combine used components with properly selected service parts.

For those planning a broader modernization or refreshing of older BMW models, the tips contained in the article The second life of a youngtimer – how used car parts rejuvenate cars from the 1998–2012 model years may be useful, where practical scenarios for using used drivetrain and suspension sub-assemblies are described.