BMW 1 E87 118i N43 Sport Front Right O/S Spring Strut Brake Suspension Leg Hub

BMW 1 E87 118i N43 Sport Front Right O/S Spring Strut Brake Suspension Leg Hub is a complete, sport-tuned front suspension unit designed for the right side, ideal for precise replacement on the front axle. The assembly combines the shock absorber and steering knuckle functions, which facilitates installation and helps maintain the factory geometry of your BMW's chassis. Thanks to this solution, you can restore the suspension performance of the sport-tuned version in a consistent, technically correct, and predictable manner.

Specifications and technical data

• SKU: 6771558-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6786020
• Substitutable numbers: 31316786020, 6786020, 31216793924, 6793924, 34116774682, 6774682, 34116854997, 6854997, 31316771558, 6771558, 31216764444, 6764444, 34116773022, 6773022, 34116768186, 6768186, 34116764641, 6764641
• Location on the vehicle: Front, Right
• Category: Suspension Component Replacement Kits

Purpose and vehicle placement

The presented item belongs to the Suspension replacement kits group and is intended for installation on the front of the vehicle, on the right side. This configuration allows for the precise restoration of the factory wheel guidance system, which is crucial for stability, braking efficiency, and vehicle behavior during dynamic maneuvers.

Combining the shock absorber with the steering knuckle in one assembly reduces the risk of installation errors, facilitates wheel alignment, and speeds up service. This is particularly important in vehicles with sport characteristics, where suspension geometry directly affects the predictability of body reactions.

Sport characteristics and handling properties

The SPORT version has been designed for drivers who expect more direct handling and reduced body roll. The stiffer operating characteristics compared to standard comfort suspension promote:

• better vehicle control during high-speed cornering,
• more precise transmission of steering inputs to the wheels,
• more stable behavior during sudden load changes.

As a result, the suspension behaves predictably both in daily use and in more demanding conditions, such as highway driving or dynamic driving on roads with varied surfaces.

Benefits of using a complete suspension kit

Choosing a complete shock absorber–steering knuckle assembly for the front right side offers a number of practical service and operational advantages:

• consistency of components within one side of the suspension,
• easier installation compared to replacing individual components,
• lower risk of improper fitment of mating parts,
• possibility of faster restoration of correct chassis geometry.

For workshops, this means shorter working time and fewer potential corrections, and for the user – more predictable vehicle behavior after repair. In the case of sport suspension, this is of particular importance, as even minor deviations in installation can be felt behind the wheel.

Selecting used sport suspension

The item comes from the used parts group, which allows for optimizing repair costs while maintaining the original suspension operating characteristics. In the case of sport suspension configurations, the selection of the appropriate component has a direct impact on safety and driving comfort, which is why it is worth paying attention to compatibility with the specific engine and body version of the BMW 1 Series.

To better understand the differences between standard and sport suspension, and to make an informed purchase of used parts, it is worth checking out our guide: Standard vs. sport suspension – design differences and selecting used components. The article helps to assess when the use of a used suspension kit is technically justified.

Expansion and modernization of the BMW suspension system

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

This method of selecting components allows you to maintain the consistency of the entire chassis system, which translates into predictable handling, even tire wear, and vehicle stability across the full speed range.