BMW 3 Series E91 330d M57N2 Front Right O/S Spring Strut Brake Suspension Leg Hub

BMW 3 Series E91 330d M57N2 Front Right O/S Spring Strut Brake Suspension Leg Hub is a complete front suspension component designed for the right side of the front axle, dedicated to BMW 3 Series E91 models with the M57N2 engine. The set combines the functions of wheel guidance and vibration damping in one part, which facilitates maintenance and speeds up replacement in workshop conditions.

Specifications and technical data

• SKU: 6786014-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6786013
• Substitutable numbers: 31316786014, 6786014, 34116769094, 6769094, 31216793924, 6793924, 31216765157, 6765157, 34116854999, 6854999, 31316772921, 6772921, 31316768216, 6768216, 31216764444, 6764444, 34116764645, 6764645
• Location on the vehicle: Front, Right
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension

The presented item belongs to the Suspension replacement kits group and serves as a key wheel mounting point on the front right side of the vehicle. The combination of the shock absorber and the steering knuckle ensures stable hub guidance, proper geometry, and effective vibration damping, which translates into predictable vehicle behavior during braking, acceleration, and cornering.

The placement on the vehicle, defined as front – right side, allows for unambiguous identification of the part's position and reduces the risk of errors when selecting the component for a specific axle and side of the body.

Original origin and fitment

The part comes from the BMW range, which means maintaining factory suspension performance parameters, consistent with the vehicle manufacturer's specifications. The original design of the steering knuckle integrated with the shock absorber guarantees correct mounting points for wishbones, links, and braking system components, as well as the correct position of the hub relative to the wheel arch.

Thanks to the use of the original part number and the availability of interchangeable numbers, the element is easy to verify for compatibility with a specific version of the BMW 3 Series E91 330d M57N2, which facilitates work for both professional workshops and users assembling components themselves.

Condition, application, and benefits of installation

The product is offered as a used suspension component, which allows for a significant reduction in repair costs compared to purchasing a new part, while maintaining the manufacturer's original specifications. This solution is particularly beneficial for comprehensive work on the front axle, where several components are often replaced simultaneously.

Replacing the complete shock absorber–steering knuckle assembly on the front right side of the vehicle can be performed both in case of mechanical damage (e.g., after a collision or hitting a curb) and in case of excessive wear of the damping elements. This allows for restoring proper suspension operation, reducing unwanted body vibrations, and improving driving comfort and safety.

Practical installation tips

During installation, it is recommended to check the front axle geometry and the condition of cooperating elements, such as wishbones, stabilizer links, or shock absorber mounts in the body. Replacing the assembly on one side should be considered in conjunction with assessing the condition of the element on the opposite side to maintain uniform suspension performance and consistent vehicle handling.

Proper tightening of all mounting points according to the manufacturer's recommendations and subsequent wheel alignment allow for fully utilizing the properties of the offered set and reducing uneven tire wear.

Repair expansion and selection of related elements

If you are planning a comprehensive repair or upgrade of the front suspension zone in your BMW and need other elements from the same group, such as shock absorber struts, steering knuckles, or complete suspension strut modules, check the available parts in the BMW suspension replacement kits category.

When deciding to choose original used suspension components, it is also worth familiarizing yourself with the cost-effectiveness analysis of using second-hand parts compared to new replacements – a detailed comparison of costs and quality can be found in the article New or used? A comparison of costs and quality of car parts.

If you are also considering servicing the drivetrain, including the gearbox, the material describing the advantages of original used components over remanufacturing may be helpful – more information can be found in the guide Manual gearbox failures in cars – why is an original used part a more sensible choice than remanufacturing?.