BMW F10 F11 F12 F13 F07 GT Rear Differential Diff 3,23 Ratio 7584444 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 F12 F13 F07 GT Rear Differential Diff 3,23 Ratio is an original drivetrain component from the Differentials category, designed for installation in the rear of the vehicle. It ensures precise torque transfer to the wheels, stable handling, and predictable vehicle behavior during acceleration and cornering. This is a solution for users who expect a proven design and compliance with BMW factory specifications.

Specifications and technical data

• SKU: 7584444-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7584444
• Substitutable numbers: 33107584444, 7584444, 33107584445, 7584445
• Location on the vehicle: Rear
• Category: Differentials

Purpose and function in the drivetrain

The presented rear differential is responsible for torque distribution between the rear axle wheels, while maintaining the correct gear ratio. In practice, this translates into:

• smooth starting without jerking,
• stable acceleration at higher speeds,
• better traction on surfaces with varying grip,
• consistent, predictable vehicle behavior in corners.

Choosing a differential with the correct gear ratio is crucial for driving characteristics – it affects both dynamics and engine RPM at highway speeds.

Compatibility with BMW models

The differential has been designed to work with the BMW F-series platform, including sedan, touring, coupe, convertible, and Gran Turismo body styles. This means that the design, mounting points, and geometry are adapted to the rear suspension architecture of these models, which facilitates installation and allows for maintaining factory handling parameters.

As a BMW brand component, the rear differential is consistent with the manufacturer's requirements regarding durability, operating characteristics, and cooperation with other drivetrain components and vehicle electronic systems.

Technical characteristics and advantages of use

The differential operating on the rear axle is a key component responsible for differentiating the rotational speed of the wheels when cornering and for maintaining the correct gear ratio between the driveshaft and wheel hubs. Using the correct rear differential allows you to:

• maintain factory performance and drivetrain refinement,
• reduce unwanted vibrations and noise in the cabin,
• increase the predictability of the car's behavior during dynamic driving,
• maintain proper cooperation with safety systems (e.g., traction control).

A used component from the original BMW production line is a cost-effective solution that also allows for maintaining the structural integrity of the vehicle without the need to adapt non-standard solutions.

Practical installation and maintenance tips

When replacing the rear differential, it is recommended to pay attention to:

• selecting a gear ratio consistent with the vehicle's factory configuration,
• the condition of cooperating components (half-shafts, driveshaft, mounts),
• proper venting and refilling of gear oil in accordance with the manufacturer's recommendations.

Professional installation allows you to fully utilize the potential of the differential and reduce the risk of subsequent leaks or noise resulting from improper alignment or tightening of components.

Technical support and additional materials

To better understand how to choose a rear axle and differential for your driving style, what the gear ratio means, and what to look for when purchasing a dismantled component, it is worth reading the article: Dismantled rear axles and differentials – how to choose gear ratios for your driving style. This is a practical discussion of the topic with examples and answers to frequently asked questions.

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