BMW F12 Suspension Leg Axle Brake Wheel Carrier Rear Right O/S 640d N57Z

BMW F12 Suspension Leg Axle Brake Wheel Carrier Rear Right O/S 640d N57Z is an original chassis component designed for the rear right side of BMW diesel vehicles. As part of the Suspension replacement kits group, it allows for precise suspension geometry restoration and stable vehicle handling. This used OEM component is a sensible choice for professional repairs where structural compatibility with the factory design is essential.

Specifications and technical data

• SKU: 6852894-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6852894
• Substitutable numbers: 6852894, 33306852894, 7846694, 34217846694, 6894381, 34206894381
• Location on the vehicle: Rear, Right
• Fuel type: Diesel
• Category: Suspension Component Replacement Kits

Purpose and function in the BMW suspension

The rear right suspension leg is responsible for a rigid yet resilient connection between the wheel hub and the body, transferring vertical and lateral loads while driving. In BMW 6 Series F06/F12 models, this component works with other parts of the multi-link suspension system, influencing:

• maintaining proper wheel geometry under load and in corners,
• driving stability at higher speeds,
• the precision of handling characteristic of BMW,
• even tire wear and predictable vehicle behavior.

Its placement on the rear right side of the vehicle means the component operates under demanding conditions, which are particularly important for the traction of a car with a high-torque diesel engine.

Compatibility and technical parameters

The presented suspension leg was designed specifically for BMW vehicles, ensuring full compatibility with the factory design and predictable chassis behavior after installation. The component is intended for mounting on the rear right axle and works with a drivetrain based on a diesel engine, which is significant when selecting the stiffness and operating characteristics of the suspension.

By using an original solution from the Suspension replacement kits group, you can maintain the correct mounting points, suspension kinematics, and operating parameters specified by the manufacturer, without the need to modify other sub-assemblies.

Benefits of using an original suspension leg

Choosing a used, original suspension component for a BMW offers a range of practical advantages compared to aftermarket parts of unknown origin:

• Factory fit – maintaining correct geometry, mounting points, and ground clearance without additional modifications.
• Consistent handling characteristics – in line with BMW's design assumptions for diesel models.
• Possibility of economical repair – especially during comprehensive rear suspension restoration after a collision or intensive use.
• Better predictability of suspension performance compared to random aftermarket replacements.

A component selected in this way helps restore ride comfort, stability, and handling confidence, which is crucial in heavier, dynamic BMW 6 Series models.

Professional selection and installation

To fully utilize the potential of this suspension leg, it is worth ensuring proper installation and checking the remaining components of the rear chassis system. It is recommended to:

• check the condition of bushings, links, and other interacting elements,
• perform a wheel alignment check after installation,
• select parts according to the fuel type and suspension configuration of the specific vehicle.

This ensures the repair is consistent and the car regains predictable road behavior, without unwanted play or pulling while driving.

If you are planning a comprehensive repair or upgrade of the suspension area in your BMW and need other elements from the same group, such as control arms, mounts, or additional rear chassis components, check the available parts in the BMW suspension replacement kits category.

For a better understanding of the differences between suspension configurations and to make an informed choice regarding used components, it is worth reading the guide: Standard vs. sport suspension – design differences and choosing used suspension parts, where you will find practical tips, comparison tables, and answers to the most frequently asked questions regarding chassis regeneration.