BMW E64 645Ci N62 650i N62N Rear Differential Diff 3,46 Ratio 7526376 WARRANTY

Listing details

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

BMW E64 645Ci N62 650i N62N Rear Differential Diff 3,46 Ratio is an original drivetrain component from the Differentials group, designed for installation on the vehicle's rear axle. This used final drive ensures proper torque transfer to the wheels, maintaining the handling characteristics intended for BMW models with N62 and N62N engines. It is a solution for users who expect factory drivetrain geometry while maintaining reasonable maintenance costs.

Specifications and technical data

• SKU: 7526377
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7526376
• Substitutable numbers: 7526376, 33107526376
• Location on the vehicle: Rear
• Category: Differentials

Purpose and function in the drivetrain

The presented rear differential is responsible for distributing power to the rear wheels and maintaining the correct final drive ratio in BMW E64 series cars with N62 and N62N units. Thanks to the properly selected final drive ratio, factory acceleration dynamics, engine speed during highway driving, and predictable cornering behavior are preserved.

The rear axle is mounted in the rear suspension area, working in conjunction with half-shafts, the driveshaft, and traction control systems. A correctly selected differential minimizes unwanted vibrations, reduces cabin noise, and allows for consistent operation of the entire drivetrain.

Benefits of using an original BMW differential

Using an original salvaged differential instead of a worn or damaged component allows you to maintain the driving parameters specified by the manufacturer. Key advantages include:

• Factory fitment to the BMW rear suspension and drivetrain design, without the need for modifications.
• Consistent performance characteristics with the stock transmission and drivetrain control electronics.
• The ability to restore proper system operation when facing typical signs of wear, such as noise from the rear of the vehicle or jerking during acceleration.

For users seeking a service solution with a favorable price-to-functionality ratio, a used differential is a practical alternative to new components, while maintaining structural compatibility with the original BMW design.

Vehicle placement and installation aspects

The differential is designed for installation on the rear axle of the vehicle, in the central part of the drivetrain assembly. It works with suspension components, subframe mounts, and the drivetrain system, so it is important to follow the correct disassembly and assembly sequence and check the condition of accompanying components during replacement.

When selecting a rear axle, pay attention to structural compatibility with the specific engine and body version, as well as the gear ratio, so as not to change the drivetrain's operating characteristics. Installation in a specialized service center is recommended to verify tightness, correct tightening of mounts, and proper interaction with the half-shafts and driveshaft.

How to choose a differential for your driving style

Choosing the right final drive has a direct impact on perceived dynamics, flexibility, and driving comfort. Different ratios will be preferred for calm, economical driving versus a more dynamic driving style. It is worth considering:

• engine characteristics and the useful RPM range,
• transmission type and its gear ratios,
• predominant vehicle usage (city, highway, mixed driving).

To better understand the relationship between the final drive ratio, transmission operation, and real-world driving feel, the following guide will be helpful: Salvaged final drives and differentials – how to choose ratios for your driving style. The article practically discusses definitions, configuration examples, and the most frequently asked questions related to used differentials.

Expanding BMW drivetrain service

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

During major service work, it is also worth paying attention to the condition of the clutch and vibration-damping elements in the drivetrain. For help in selecting these components, including used solutions, the following article may be useful: Clutch and dual-mass flywheel – diagnostics and selection of drivetrain parts, which discusses the practical aspects of drivetrain diagnostics and configuration.