Mini R58 Cooper S Suspension Leg Front Right O/S Spring Strut Brake Disc Caliper

The Front Right Suspension Assembly for Mini R58 Cooper S is a complete, used module comprising a McPherson strut with shock absorber and spring, as well as a brake disc and caliper. Thanks to Mini's factory design, this assembly allows for a consistent replacement of suspension and brake components on the driver's or passenger's side in right-hand drive versions, ensuring proper geometry and predictable vehicle handling. This is a practical solution for workshops and users looking for a compatible kit for quick front-end repairs.

Specifications and technical data

• SKU: 6855358-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 6855358
• Substitutable numbers: 6855358, 31316855358, 6779796, 31216779796, 6778336, 34116778336, 6858652, 34116858652
• Location on the vehicle: Front, Right
• Category: Suspension Component Replacement Kits

Technical Characteristics of the Suspension Assembly

The presented component belongs to the Suspension Replacement Kits group and is designed for installation on the front right side of a Mini Cooper S R58 model. The integration of the suspension strut with the braking system components reduces the risk of incompatibility between individual parts and facilitates maintaining the correct position of the hub, steering knuckle, and caliper relative to the disc.

Its placement on the front right side of the vehicle means the assembly works with Mini's factory front suspension architecture, based on the McPherson strut. This solution allows for the preservation of the correct operating characteristics of the spring and shock absorber, as well as the appropriate caster and camber angles after wheel alignment.

Assembly Structure: Strut, Spring, Disc, and Caliper

The kit includes a suspension strut with a shock absorber and a coil spring, which transfers vertical and lateral loads from the wheel to the body. The integration of these components into a single module simplifies installation and removal, and allows for the replacement of the entire assembly in case of mechanical damage or wear.

The presence of the brake disc and caliper within the same assembly ensures that the braking system on the front right side can be restored consistently, maintaining the correct position of the brake pads relative to the disc's working surface. For a workshop, this means fewer operations related to matching individual parts, and for the user – stable brake performance after correct installation and bleeding of the system.

Application and Benefits of Installation

This assembly is particularly useful in situations where the front right corner of the vehicle has been damaged, e.g., after a collision, hitting an obstacle, or a hard impact with a curb. Replacing the complete suspension and brake module allows you to:

• restore proper vehicle handling and driving stability,
• minimize the risk of vibrations and noises resulting from the deformation of individual components,
• ensure consistency between the suspension's operating characteristics and the braking effectiveness on that wheel,
• reduce repair time compared to selecting and replacing individual components.

For owners of the Mini Cooper S R58 who expect precise handling and predictable vehicle behavior, installing a complete assembly on one side of the front axle is a practical way to restore the original driving characteristics after damage.

Selection, Compatibility, and Service Aspects

This is an original Mini component, which simplifies matching it to a specific body and engine version within this model line. The presence of the OEM part number and related interchangeable numbers in the technical specification allows for verification of compatibility with a specific vehicle before installation, which is particularly important when working with used components.

Before installation, the standard service procedure is recommended: checking the condition of mountings, brake lines, body attachment points, and subsequent front axle alignment. This will allow you to fully utilize the kit's potential and achieve even tire wear, stable braking, and predictable steering responses.

Technical Support and Additional Resources

To better understand the impact of the suspension strut, spring, and control arms on safety and driving comfort, it is worth consulting a guide describing the construction and operation of the running gear – a practical supplement could be the article Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers, which discusses the principles of diagnosing and replacing key components.

If you are planning a comprehensive repair or upgrade of the suspension and brake area in your Mini and need other parts from the same group, such as struts, springs, or complete modules with hubs, check the available parts in the Mini Suspension Replacement Kits category.

For owners of sporty versions of this brand who are considering further modifications and using used components to improve driving characteristics, an interesting source of inspiration could also be the article MINI John Cooper Works – What Sets It Apart and How to Improve Your MINI?, which describes the differences between Cooper S versions and more advanced variants.