BMW 1 E88 118i N43 M Sport Front Right O/S Spring Strut Brake Suspension Leg Hub

BMW 1 E88 118i N43 M Sport Front Right O/S Spring Strut Brake Suspension Leg Hub is a complete suspension strut assembly designed for the front axle on the offside (right). The set includes the shock absorber, suspension leg, and hub assembly, which facilitates service and replacement in 1 Series M Sport models. This solution helps restore proper geometry, stability, and predictable handling of the vehicle.

Specifications and technical data

• SKU: 6786028-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6786028
• Substitutable numbers: 31316786028, 6786028, 34216768694, 6768694, 31216793924, 6793924, 31216764444, 6764444, 34116854997, 6854997, 34116764641, 6764641, 31316783992, 6783992
• Location on the vehicle: Front, Right
• Category: Other Steering & Suspension Parts

Purpose and compatibility

The component is designed for BMW 1 Series E88 118i models with the N43 engine in the M Sport package, which features a factory-fitted stiffened suspension with sporty characteristics. The placement on the vehicle is front, right side, which is crucial when selecting parts based on suspension geometry and steering knuckle mounts.

By maintaining the original design of the strut, steering knuckle, and hub, the component works with factory steering and braking system elements, ensuring the correct position of the brake disc relative to the caliper and proper wheel guidance.

Suspension assembly construction and vehicle function

The suspension strut combines the functions of springing and vibration damping, and the integrated suspension leg serves as a mounting point for the steering knuckle and steering system components. The wheel hub is responsible for the stable seating of the rim and transferring loads to the suspension, which is important for steering precision and even tire wear.

In practice, such an assembly:

• stabilizes the body during braking and acceleration,
• maintains the correct wheel camber and toe-in angles,
• ensures the correct position of brake system components relative to the hub,
• reduces vibrations transmitted to the body and steering system.

Benefits of using an original BMW component

The original BMW component guarantees factory fitment to body mounts and the steering system, which minimizes the risk of installation issues and the need for additional modifications. Using a part from the same design family as the factory suspension strut allows for maintaining the handling characteristics typical of the M Sport version.

Compared to aftermarket replacements, the original suspension leg with the steering knuckle and hub works better with stock control arms, tie rods, and brake system components, which translates into predictable vehicle behavior in corners and stability at higher speeds.

Condition, installation, and service application

The element comes from a used vehicle, making it a cost-effective solution for post-accident repairs, replacement after mechanical damage, or restoring suspension geometry after hitting a curb. The complete strut, steering knuckle, and hub assembly reduces workshop labor time as it limits the number of separate parts requiring disassembly and adjustment.

After installation, it is recommended to perform a wheel alignment to fully utilize the properties of the M Sport suspension and ensure even tire wear as well as stable vehicle handling across the entire speed range.

Additional technical information and materials

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

For a better understanding of the differences in the construction of sports chassis and braking systems in high-performance cars, it is worth reading the article describing the characteristics of engines, brakes, and chassis in higher-power models – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.