BMW F20 F21 F30 125d 325d Output Drive Shaft Right O/S Driveshaft 7640256

BMW F20 F21 F30 125d 325d Right Rear Driveshaft is an original drivetrain component from the Drivetrain Mounts and Brackets category, designed for installation on the right side of the rear axle. This used driveshaft offers a functional service solution for discerning owners of BMW 1 and 3 Series models, ensuring proper torque transfer and drive stability. It's a practical choice for drivers who expect proven geometry and correct integration with the factory suspension.

Specifications and technical data

• SKU: 7640256
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7640256
• Substitutable numbers: 33207640256, 7640256, KZ
• Location on the vehicle: Right
• Category: Drivetrain Hardware & Fasteners

Application and Function in the Drivetrain

The right rear driveshaft is responsible for transferring power from the differential to the right rear wheel, ensuring smooth torque delivery during suspension operation and load changes. In BMW F20, F21, and F30 models, the correct driveshaft is crucial for:

• maintaining proper traction during acceleration and engine braking,
• stable operation of assistance systems (including traction and stability control),
• preserving the vehicle's factory handling characteristics.

Selecting a driveshaft dedicated to the 125d and 325d versions helps minimize the risk of vibrations, play, and uneven wear of cooperating drivetrain components.

Construction and Mounting Fitment

This component belongs to the Drivetrain Mounts and Brackets category, meaning it's designed for precise fitment with the factory differential, wheel hub, and other rear suspension components. Its placement on the vehicle, specified as the right side of the rear axle, facilitates unambiguous identification during service work.

The appropriate length, spline diameters, and joint geometry are tailored to the specific loads generated by the powertrains used in the 125d and 325d versions. This ensures the driveshaft integrates with factory components without requiring modifications, promoting hassle-free installation in workshop conditions.

Benefits of Using an Original BMW Driveshaft

Using an original BMW component in the drivetrain offers a range of practical benefits:

• Factory Fitment – maintaining correct drivetrain and axle geometry without the need for adapting other parts.
• Seamless integration with the stock suspension and traction control systems, leading to predictable vehicle behavior.
• Reduced risk of incorrect installation due to compatibility with factory mounting points.
• The ability to utilize existing accompanying components (e.g., hub, differential) without altering their design.

A used component allows for economical repair while maintaining performance parameters close to factory specifications, which is particularly important for vehicles subjected to intensive use or with higher mileage.

Environmental Aspect and Eco-Tuning

Choosing a used driveshaft is not only a cost-effective approach but also a real reduction in carbon footprint through the reuse of functional components. For drivers interested in conscious vehicle operation and eco-tuning, we recommend an article explaining how recycled parts can enhance performance while reducing environmental impact: Eco-Tuning in Practice – How to Increase Performance While Reducing Your Carbon Footprint with Recycled Parts.

Selecting the Right Driveshaft and Other BMW Drivetrain Components

When selecting a driveshaft for BMW 1 and 3 Series, it's important to consider the engine version, body type, and drivetrain configuration to ensure full compatibility with the existing system. If in doubt, comparing mounting parameters with the currently installed component and verifying compliance with service documentation can be helpful.

If you are looking for other BMW Drivetrain Mounts and Brackets for your vehicle, explore our dedicated offer: BMW Drivetrain Mounts and Brackets. This will allow you to easily assemble a cohesive set of drivetrain components tailored to your specific model and trim level.