BMW E84 Spring Strut Leg Front Right O/S 18i 18d 20i 20d Suspension Brake Disc

BMW E84 Spring Strut Leg Front Right O/S 18i 18d 20i 20d Suspension Brake Disc is a complete suspension component designed for the front axle on the right side, specifically engineered for BMW vehicles. The assembly combines wheel guidance and vibration damping functions, which translates into stable handling, predictable vehicle behavior, and safe suspension operation. It is a practical solution for users looking for a proven, used component with factory geometry.

Specifications and technical data

• SKU: 6851334
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6851334
• Substitutable numbers: 31316851334, 6851334, 31216865144, 6865144, 34116778146, 6778146, 34116855006, 6855006, 31216784866, 6784866, BG
• Location on the vehicle: Front, Right
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension

The presented element belongs to the Suspension replacement kits group and is responsible for proper wheel guidance and cooperation with other chassis components on the front axle on the right side. The combination of the shock absorber and the steering knuckle ensures a rigid yet flexible wheel mounting, which contributes to:

• maintaining proper suspension geometry while driving,
• driving stability during braking and acceleration,
• control over body roll in corners,
• effective damping of road surface irregularities.

Thanks to its dedicated placement on the vehicle, the component works with factory mounting points, which facilitates installation and reduces the risk of alignment issues.

Benefits of using an original set

The original design intended for BMW allows for maintaining factory vehicle handling parameters without the need to modify other components. Using a complete shock absorber–steering knuckle assembly on the front right side provides, among other things:

• consistent suspension performance with other chassis components,
• preservation of predictable vehicle behavior in emergency situations,
• easier diagnostics and future maintenance,
• reduced risk of incorrect installation resulting from mixing different design solutions.

The used component allows for cost-effective repair while maintaining characteristics close to factory standards, which is particularly important in cars where compliance with the original manufacturer's specification is valued.

Placement on the vehicle and fitment

The shock absorber with the steering knuckle is intended for installation on the front axle on the right side, which is crucial for correct part selection and subsequent geometry alignment. Proper placement on the vehicle ensures:

• correct position of the hub and wheel mounting relative to the body,
• compatibility with factory mounting points for wishbones, links, and braking system components,
• stable cooperation with the left side of the suspension, which affects the balanced behavior of the car.

Thanks to this solution, it is possible to effectively restore the proper operation of the right side of the front suspension after a collision, mechanical damage, or operational wear.

Condition and practical application

The item is offered in used condition, which allows for cost-effective restoration of the chassis efficiency while maintaining the original BMW design. This type of solution is often chosen for post-accident repairs, replacing a damaged steering knuckle or shock absorber, as well as for comprehensive suspension renovation in vehicles used on a daily basis.

For certainty of fitment, it is worth verifying compatibility with the OEM part number and interchangeable numbers in the technical specification – this helps avoid mistakes during selection and speeds up the installation process in the workshop.

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 shock absorbers, steering knuckles, or complete suspension strut modules, check the available parts in the BMW suspension replacement kits category.

Technical support and suspension knowledge

When choosing a used suspension element, it is worth knowing the differences between standard and sports solutions and consciously selecting a component for your driving style and expected comfort. A detailed discussion of the construction, operating parameters, and principles of selecting used components can be found in the article "Standard vs. sports suspension – differences in construction and is it worth buying used suspension parts?", which will help you make an informed purchasing decision and better plan service work.