BMW F20 F21 F30 F31 Rear Brake Caliper Housing Carrier Right O/S Blue 6850858

BMW F20 F21 F30 F31 Rear Brake Caliper Housing Carrier Right O/S Blue is an original brake system component from the Brake calipers and carriers group, designed for installation on the rear right axle of selected BMW F-series models. The blue finish gives the braking area a subtly sporty character while maintaining the vehicle's factory specifications. This used caliper is a sensible choice for drivers looking for a balance between OEM quality and repair cost control.

Specifications and technical data

• SKU: 6850858-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6850858
• Substitutable numbers: 34216850858, 6850858, 34216850860, 6850860
• Location on the vehicle: Rear, Right
• Color: Blue
• Category: Calipers & Brackets

Purpose and compatibility with BMW models

The presented caliper is designed for the BMW F-series platform, specifically for the F20, F21, F30, and F31 body styles. The design is intended for installation on the rear right side of the vehicle, ensuring proper guidance of the brake pads and correct interaction with the brake disc and other system components.

By maintaining factory geometry and mounting points, this component allows for installation in place of the original caliper without the need to modify the hub, carrier, or brake lines. This solution is particularly beneficial for vehicle servicing where maintaining compliance with the manufacturer's factory specifications is crucial.

Construction, color, and performance features

The blue brake caliper stands out with its aesthetic appearance, which blends well with the dynamic styling of BMW F-series models. This color can emphasize the car's character, especially in configurations with a sporty edge, without affecting the component's functionality.

The caliper's construction ensures stable pad guidance and even distribution of braking force across the friction surface. The properly selected housing and guide system promote consistent mechanism operation under typical operating conditions, which translates into predictable vehicle behavior during braking.

Characteristics of the used component

The offered caliper is a used component, sourced from dismantling, which allows for significant repair cost savings compared to purchasing a new part. This type of solution is often chosen by workshops specializing in the BMW brand and by conscious users who expect original construction while maintaining a rational service budget.

Before installation, a standard workshop procedure is recommended: checking the condition of working surfaces, threads, mounting points, and sealing elements, as well as assessing compatibility with the existing brake disc and pads. A properly prepared caliper can provide long-term and stable operation in daily use.

Benefits of choosing an original dismantled caliper

Choosing an original BMW brake caliper from the secondary market is a solution that combines several significant advantages:

• preservation of factory construction and fitment for the specific BMW platform,
• reduction of brake system repair costs while maintaining OEM parts,
• visual consistency thanks to the blue finish, matching sporty configurations,
• possibility of direct installation in place of the worn component.

To better understand how to safely use used brake system components and how to optimize your service budget, it is worth reading the guide: Brake calipers under the microscope: how to choose original used parts and reduce repair costs.

Expanding the BMW brake system

If you are planning a comprehensive repair or upgrade of the braking area in your BMW and need other components from the same group, such as additional calipers, carriers, or mounting brackets, check the available parts in the BMW Brake calipers and carriers category.

This approach allows for consistent servicing of the entire brake system, which facilitates maintaining uniform braking efficiency on both axles and improves the predictability of vehicle behavior in various road conditions.