Mini F55 F56 Brake Caliper JCW Rear Right O/S Brake Unit Housing 36/10/259

The Mini F55 F56 JCW Rear Right Brake Caliper is an original part from the Brake Calipers and Brackets group, designed for installation on the rear right axle of Mini vehicles. This used OEM component ensures proper fitment within the braking system, maintaining factory performance parameters and compatibility with other sub-assemblies.

Specifications and technical data

• SKU: 6865656
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 6865655
• Substitutable numbers: 6865655, 34216865655, 34216866079, 6866079, BG
• Location on the vehicle: Rear, Right
• Category: Calipers & Brackets

Purpose and Brake System Fitment for Mini

The presented caliper has been specifically designed for operation on the rear right side of the vehicle, guaranteeing correct positioning relative to the disc and stable cooperation with the brake pads. The OEM Mini construction allows for consistency with the factory hydraulic system, ABS, and braking assistance systems, translating into predictable vehicle behavior during daily use.

Thanks to the use of original body and guide geometry, the caliper maintains even pad pressure against the disc, limiting the risk of uneven wear and vibrations. This solution is particularly important for JCW versions, where the braking system operates under more demanding conditions.

Caliper Construction and Technical Properties

This component belongs to the Brake Calipers and Brackets category, meaning its construction is adapted to withstand the high thermal and mechanical loads generated during braking. The caliper body provides adequate rigidity, and the guide and piston system allows for smooth retraction of the pads after releasing the brake pedal, which reduces rolling resistance and disc heating.

The used nature of the part allows for cost-effective restoration of braking system functionality while maintaining the original manufacturer's specifications. This is a practical solution for both post-accident repairs and standard maintenance services when a single caliper on the rear right axle needs replacement.

Benefits of Using an Original Mini Caliper

Using an original JCW version brake caliper offers a range of practical advantages:

• factory fitment to the hub, disc, and brake pads dedicated to Mini F55/F56,
• maintenance of the braking characteristics intended by the manufacturer for the rear axle,
• compatibility with the existing vehicle hydraulic system and electronics,
• possibility of replacing a single component without modifying other system components.

For drivers who value precise handling and braking stability, especially in dynamically driven JCW versions, this choice of parts helps maintain the correct balance of braking forces between the front and rear of the vehicle.

Condition, Verification, and Usage Safety

As a used part, this caliper is a cost-effective solution, while maintaining a construction compliant with factory Mini standards. Before installation, the standard service procedure is recommended: checking for leaks, smooth operation of the piston and guides, and assessing compatibility with currently used brake discs and pads. This approach allows for full utilization of the part's potential and ensures safe vehicle operation.

If you wish to deepen your knowledge on making informed choices for braking system components from the aftermarket, it is worth consulting the guide Used Brake System: How to Safely Choose Discs, Calipers, and ABS?, which contains a practical checklist useful when purchasing used components.

Mini Brake System Expansion and Modernization

If you are planning a comprehensive repair or modernization of the braking zone in your Mini and require other parts from the same group, such as additional calipers, brackets, or mounting holders, check the available parts in the Mini Brake Calipers and Brackets category.

For drivers considering further car modifications, including mechanical and visual tuning, an inspiring addition could be the article Best Used Parts for Tuning Your Car, which describes how to effectively use used components in modernization projects.