BMW E87 118i N46 M Sport Front Right O/S Leg Spring Strut Brake Suspension

BMW E87 118i N46 M Sport Front Right O/S Leg Spring Strut Brake Suspension is a complete suspension assembly designed for the front axle on the driver's side (right-hand side). The set comes from the original BMW M Sport line, which ensures the characteristic, more dynamic suspension performance and consistency with the vehicle's factory configuration. This solution allows for a technically correct replacement of a damaged assembly without the need to source individual components separately.

Specifications and technical data

• SKU: 6786020-8
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6786020
• Substitutable numbers: 31316786020, 6786020, 34116774682, 6774682, 31216793924, 6793924, 34116854996, 6854996, 34116768186, 6768186, 34116773022, 6773022, 31216764444, 6764444, 34116764629, 6764629, 31316771558, 6771558, BG
• Location on the vehicle: Front, Right
• Category: Suspension Component Replacement Kits

Purpose and function in the BMW E87 118i suspension

The described suspension set has been designed specifically for the front right side of the BMW 1 Series E87 118i in the M Sport version. In a single assembly, it combines the strut, steering knuckle, and brake system components, which facilitates maintaining the correct geometry and structural rigidity. As a result, restoring proper vehicle handling after a collision, corrosion, or operational wear is much simpler and more predictable.

The M Sport version is characterized by a sportier suspension performance, which translates into more precise handling, reduced body roll, and better vehicle control in corners. Using a complete assembly on one side of the axle helps maintain the consistency of suspension and brake performance, which is important for both safety and driving comfort.

Construction of the M Sport suspension replacement set

The product belongs to the Suspension replacement sets group, which means it includes key elements responsible for wheel guidance, vibration damping, and interaction with the brake system. Integrating these components into a single module reduces the risk of assembly errors and speeds up service work, especially after mechanical damage or bodywork repairs.

The placement on the vehicle is clearly defined as front – right side, which eliminates doubts when selecting parts and helps avoid ordering mistakes. This method of marking is particularly important in the case of strut-type suspensions, where geometry and mounting points are strictly assigned to a specific side of the vehicle.

Benefits of using an original used set

The original used BMW M Sport suspension set ensures factory fitment to the body and chassis, which is difficult to achieve when mixing different manufacturers or individual components. Compatibility with factory mounting points, performance characteristics, and brake system parameters is maintained, which has a direct impact on vehicle stability and braking efficiency.

Choosing a complete, original assembly is often more cost-effective than refurbishing many individual parts, especially when both suspension and brake components have been damaged. This reduces vehicle downtime and simplifies the diagnostic process – after installation and geometry alignment, the repair effect can be quickly verified under road conditions.

If you are interested in the broader context of the cost-effectiveness of using original used subassemblies instead of refurbishment, it is worth reading the analysis in the article Manual transmission failures – why an original used part is a more sensible choice than refurbishment, where typical service scenarios and cost approaches are discussed, which can also be applied to other vehicle systems.

Professional installation and service application

Due to the complexity of the front suspension construction and its connection to the brake system, installation in a specialized workshop equipped with the appropriate tools for strut removal, brake bleeding, and geometry alignment is recommended. A correctly installed set helps restore predictable vehicle behavior during braking, acceleration, and driving over uneven surfaces.

After replacing the suspension assembly, it is worth paying attention to the interaction with the steering system – precise response to steering movements and the absence of unwanted play are crucial for safety. For drivers interested in a deeper understanding of how the steering system works and its connections to the suspension, the guide Steering system and power steering – how it works and what breaks? may be helpful, as it discusses typical signs of wear and practical diagnostic tips.

Expanding BMW suspension upgrades

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 additional struts, springs, or related mounting components, check the available parts in the BMW suspension replacement sets category.

Selecting elements from one product group makes it easier to maintain a consistent performance characteristic of the entire axle, which is important both in daily use and in more dynamic driving typical of the M Sport version. This allows you to systematically plan subsequent stages of service or suspension upgrades in your vehicle.