BMW 1 Series E81 118d N47 Front Left N/S Spring Strut Brake Suspension Leg Axle

BMW 1 Series E81 118d N47 Front Left N/S Spring Strut Brake Suspension Leg Axle is a complete front suspension assembly component, designed for installation on the driver's side. The set combines key components responsible for wheel guidance, directional stability, and steering precision, providing a solid foundation for professional suspension repair in your BMW. Thanks to the preservation of factory geometry and mounting points, installation is predictable and consistent with the manufacturer's specifications, which facilitates work for both workshops and advanced users.

Specifications and technical data

• SKU: 6786017-6
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 31316786017
• Substitutable numbers: 31316771553, 6771553, 31316786017, 6786017, 31216793923, 6793923, 31216764443, 6764443, 31216765157, 6765157, 34116774681, 6774681, 34116768185 34116773021, 6773021, 6768185, 34116854997, 6854997
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension system

The presented element belongs to the Suspension replacement kits group and is designed to work on the front axle on the left side of the vehicle. The shock absorber and steering knuckle assembly is responsible for:

• guiding the wheel in the vertical and horizontal axis,
• damping vibrations transmitted from the road surface to the body,
• maintaining correct suspension geometry,
• vehicle stability during braking and cornering.

A set configured in this way is particularly important for post-collision repairs, replacements after mechanical damage, or comprehensive front suspension regeneration.

Compatibility and OEM identification

The element was developed as part of the original BMW suspension system, which means maintaining factory operating parameters and fitment. Identification by OEM part number and available replacement numbers allows for precise matching to a specific model version, minimizing the risk of ordering errors. For workshops and users using electronic catalogs, this is a convenient solution that allows for quick verification of component compatibility with a given vehicle.

Installation characteristics and application

The location on the vehicle defined as front, left side clearly indicates the installation position, which facilitates service work planning. The shock absorber and steering knuckle assembly is a key mounting point for elements such as the wheel hub, brake caliper, or suspension links, which is why its correct selection has a direct impact on:

• even tire wear,
• directional stability at higher speeds,
• steering response to steering wheel movements,
• driving comfort on uneven surfaces.

The product is intended for users who expect to maintain the driving characteristics typical of the BMW 1 Series, without the need for tuning or adaptive solutions.

Condition, origin, and benefits of choosing a used element

The offered assembly comes from the used parts group, which allows for a significant reduction in repair costs while maintaining the original design and geometry intended by the manufacturer. In practice, this means:

• factory mounting points and proper fit to the body,
• compatibility with the stock braking and steering system,
• no need to modify additional suspension elements.

For many users and workshops, choosing such a solution is a reasonable compromise between costs and maintaining the vehicle's driving properties. If you want to learn more about the specifics of the dismantled parts market and the differences between new and used premium components, it is worth reading the article on our blog: Used parts for Mercedes – original parts from dismantling, which discusses the practical aspects of selecting and operating such elements.

Professional selection and expansion of repair scope

When planning work on the front suspension, a comprehensive approach to diagnostics is recommended – verifying play, the condition of bushings, links, and mounting elements. A properly selected shock absorber and steering knuckle assembly allows you to restore predictable vehicle handling and reduce the need for repeat service visits. For users buying online, a step-by-step guide describing the process of verifying and purchasing used components may be helpful: Safe purchase of used car parts online – a step-by-step guide.

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