BMW E87N 118d N47 Front Right O/S Spring Strut Brake Suspension Axle

BMW E87N 118d N47 Front Right O/S Spring Strut Brake Suspension Axle is a complete front suspension strut assembly designed for installation on the right side of the BMW 1 Series E87N model. This used OEM component ensures factory-spec mounting geometry, which facilitates servicing and helps maintain predictable vehicle handling. It is a practical solution for post-collision repairs, replacing worn suspension components, or correcting wheel alignment.

Specifications and technical data

• SKU: 6771554-6
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 31316771554
• Substitutable numbers: shock absorber, leg, HUB, 31316786018, 6786018, 31316771554, 6771554
• Location on the vehicle: Front, Right
• Category: Other Steering & Suspension Parts

Purpose and function in the suspension system

The presented component combines the functions of a shock absorber and a steering knuckle, creating a rigid reference point for the wheel hub, brake caliper, and control arm mounts. As a result, the right front suspension maintains the correct wheel position relative to the body, which translates into driving stability, braking efficiency, and even tire wear.

The vehicle placement, defined as front – right side, allows for precise matching of the part to the specific position on the vehicle, minimizing the risk of errors during ordering and installation.

Construction of the shock absorber–steering knuckle assembly

Combining the shock absorber with the steering knuckle into a single assembly ensures a rigid, repeatable mounting of the wheel-guiding elements. The steering knuckle serves as the hub mounting point and interacts with the steering system components, while the shock absorber is responsible for damping vibrations and controlling spring movement. This configuration is typical for front suspension struts in modern BMW designs and facilitates servicing the entire suspension corner as a single module.

Original BMW origin means that factory mounting angles are preserved, which is crucial for subsequent wheel alignment and restoring original driving characteristics after body and mechanical repairs.

Practical application and benefits of installation

Installing a complete shock absorber–steering knuckle assembly on the front right side is particularly beneficial in situations where:

• the suspension has been damaged due to hitting a curb or a collision,
• there are abnormal noises coming from the area of the right front wheel,
• excessive play or deformation of the wheel-guiding elements has been identified,
• it is necessary to replace several components simultaneously to restore correct geometry.

By using a used OEM component, repair costs can be reduced while maintaining compliance with the vehicle's factory design. This solution works well both in workshops specializing in the BMW brand and for DIY renovation projects.

Fitment, identification, and parameters

Part identification is based on the OEM number and associated interchangeable numbers, which facilitates the selection of the correct component for a specific version of the BMW 1 Series. The product description also includes information on reference numbers, which help compare this part with other variants found in manufacturer catalogs or replacement databases.

Additional markings, such as the SKU and assignment to the BMW brand, allow for quick verification of the offer's compatibility with the sought-after suspension element. The vehicle placement described as the front right corner clearly indicates where the component should be installed.

Condition and service application

The part is offered as a used BMW component, meaning it has been removed from a vehicle and is intended for reinstallation after verification by a mechanic. This type of solution is often chosen for economical repairs when the priority is to maintain the original design at reasonable material costs.

Due to the nature of the suspension element, installation in a specialized workshop is recommended, followed by a check and adjustment of wheel alignment. A correctly selected and installed shock absorber–steering knuckle assembly helps restore predictable handling, improves ride comfort, and enhances vehicle stability under typical road conditions.

If you are planning a comprehensive repair or upgrade of the front suspension area in your BMW and need other elements from the same group, such as struts, steering knuckles, or hubs, check out the available parts in the Other BMW category.

To better understand the design differences between sports and standard suspension versions and chassis systems, it is worth reading an article comparing solutions used in high-performance models – details can be found in the material Audi RS vs other models – what is hidden under the hood and chassis?.