Brake Caliper BMW F20 F21 F22 Rear Right O/S M Sport Brembo 6860738

The BMW F20 F21 F22 M Sport Brembo Rear Right Brake Caliper is an original brake system component designed for the rear axle on the passenger side. This used M Sport caliper ensures precise pad guidance and stable braking force, maintaining factory operating characteristics. It's a solution for drivers who want to maintain brake system consistency with original BMW equipment.

Specifications and technical data

• SKU: 6860738-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6860738
• Substitutable numbers: 6860738, 34216860738
• Location on the vehicle: Rear, Right
• Category: Calipers & Brackets

Intended Use and Compatibility

The presented brake caliper is dedicated to BMW F20, F21, and F22 models in M Sport versions, equipped with a Brembo system on the rear axle. The component operates on the rear right side of the vehicle, which is crucial for correct installation and proper system bleeding. By maintaining the original mounting geometry and brake line connection points, the caliper works with factory-specified discs, pads, and mounting hardware for these versions.

Construction and Operating Characteristics

The Brembo system in BMW M Sport versions is designed for dynamic driving, which is why the caliper ensures stable pad guidance and repeatable braking force under higher thermal loads. The caliper's construction allows for even pressure distribution of the pads against the disc, resulting in predictable vehicle behavior during cornering braking and rapid deceleration.

Thanks to the original BMW and Brembo design, the caliper body stiffness minimizes unwanted flex under high system pressure, improving brake pedal feel. The appropriately selected piston working volume ensures compatibility with the stock brake master cylinder and assistance systems (ABS, ESP) without requiring modifications to other system components.

Application in the BMW M Sport Brake System

In BMW F20, F21, and F22 models with the M Sport package, the brake system is a significant element influencing driving characteristics. The rear right Brembo caliper, along with the disc and pads, forms a complete module responsible for:

• vehicle stabilization during emergency braking,
• control of brake force distribution between axles,
• cooperation with traction control and stability systems,
• maintaining optimal pad operating temperature during intensive use.

Selecting the original caliper for the specific side of the vehicle is particularly important for the correct positioning of the bleed nipple and the direction of caliper guide operation, which affects serviceability and future trouble-free operation.

Benefits of Choosing an Original Used Caliper

Choosing an original BMW brake caliper from the Brembo system instead of an aftermarket alternative allows for the preservation of factory braking parameters and compliance with the manufacturer's service documentation. A used component of this caliber offers a sensible compromise between cost and maintaining the driving characteristics intended for M Sport versions. For many users, it's also important that an original caliper works better with stock pads and discs, simplifying the selection of consumables later on.

Prior to installation, standard servicing is recommended, including checking the condition of seals, guides, and proper system bleeding, to fully utilize this component's potential and ensure safe vehicle operation.

How to Safely Select a Used Brake Caliper

When selecting a used brake caliper for a BMW, it's advisable to pay attention to compatibility with the body version, brake system type, and vehicle placement. It's helpful to compare markings on the old component, consult the manufacturer's catalog, or verify by OEM number in the product's technical specifications. For drivers who want to deepen their knowledge on safely choosing used brake system components, a practical guide has been prepared – find more information in the article Second-hand brake systems: how to safely choose discs, calipers, and ABS?.

If you are planning comprehensive brake system service for your BMW and are also interested in other components in this group, such as additional mounts or compatible brackets for the Brembo system, check the available parts in the BMW Brake Calipers and Brackets category.