Mini Cooper S R55 R56 Front Left Right N/O/S Wheel Ventilated Brake Disc

Mini Cooper S R55 R56 Front Left Right N/O/S Wheel Ventilated Brake Disc is an original component from the Brake discs category, designed for the front axle in Mini vehicles. Thanks to its factory design, it ensures consistency with the stock braking system, and its vehicle placement covers both the left and right sides, which facilitates selection during service. This is a practical solution for users looking for parts with maintained geometry and predictable performance parameters.

Specifications and technical data

• SKU: 6858652
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 6858652
• Substitutable numbers: 34116858652, 6858652, 34116774986, 6774986, PK
• Location on the vehicle: Front, Left, Right
• Category: Brake Disc Rotors

Purpose and compatibility with the Mini braking system

The presented disc has been designed as a front axle component, with the possibility of installation on the left or right side. Such a solution allows for flexible use of the part during service, especially when replacing a pair of discs on the front. The construction, consistent with the solutions used in the Mini R50 and R56 S series, supports proper cooperation with calipers and brake pads, which translates into stable, repeatable braking.

Technical and functional characteristics

As an element from the Brake discs group, the product is responsible for effectively dissipating thermal energy generated during braking and maintaining the appropriate friction surface for the pads. A properly selected disc helps reduce phenomena such as steering wheel vibration or extended braking distance, and also supports even pad wear. Its placement on the front of the vehicle means that the part operates in the most heavily loaded zone of the braking system, which is why its selection is significant for driving safety.

The product comes from the Mini brand's offer, which means maintaining factory mounting geometry and compatibility with stock system components. Thanks to this, installation proceeds in a predictable manner, without the need to modify other components.

Part condition and service application

The brake disc is offered as a used item, which makes it an attractive option for budget repairs or phased rebuilding of the braking system. It can be used both when replacing a single element and during broader service work covering the front axle. In the case of vehicles used intensively, such as the S versions, the proper selection of the disc is important for maintaining stable braking characteristics in daily driving.

Thanks to the preservation of the original mounting design, the part works well as a replacement in situations where the priority is to restore the system's efficiency while maintaining the factory configuration.

Safety in selecting used brake discs

When choosing a used brake disc, it is worth paying attention to the condition of the working surface, the uniformity of wear, and the absence of mechanical damage. It may be helpful to use checklists and procedures describing how to evaluate brake system components. This topic is discussed in more detail in the article: Second-hand braking system: how to safely select discs, calipers, and ABS?, which provides practical support when making decisions about purchasing used components.

Expanding the Mini braking system

If you are planning a comprehensive repair or upgrade of the braking zone in your Mini and need other elements from the same group, such as additional discs, compatible pads, or brake lines, check the available parts in the Mini Brake discs category.

Mini Cooper S R55 R56 Front Left Right N/O/S Wheel Ventilated Brake Disc is a functional choice for drivers who want to maintain factory braking characteristics while optimizing service costs. A properly selected and installed disc supports stable operation of the braking system, which translates into predictable vehicle behavior during daily use.