Brake Caliper BMW X3 G01 Rear Right O/S Housing Carrier 42/20/330 6870576

Visual condition of the part

The product shows signs of use visible in the photos.

Brake Caliper BMW X3 G01 Rear Right O/S Housing Carrier 42/20/330 is an original brake system component from the Brake calipers and carriers category, designed for installation on the rear right axle of the vehicle. This used OEM component ensures factory-fit, stable braking mechanism performance, and consistency with other components in the BMW X3 G01.

Specifications and technical data

• SKU: 6870576
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6870576
• Substitutable numbers: 6870576, 34216870576
• Location on the vehicle: Rear, Right
• Category: Calipers & Brackets

Purpose and fitment for BMW X3 G01

The presented caliper has been designed specifically for the BMW X3 G01 platform, taking into account suspension geometry, brake system characteristics, and braking force distribution on the rear axle. The vehicle placement is limited to the rear right side, which facilitates clear identification of the mounting position and minimizes the risk of errors when selecting parts.

Thanks to its OEM design, the caliper works with factory brake discs, pads, and brake lines intended for this model, maintaining performance parameters in accordance with the vehicle manufacturer's specifications.

Technical and functional characteristics

As an element from the Brake calipers and carriers category, this model is responsible for the precise guidance of brake pads relative to the disc and the even transfer of braking force. The caliper design is adapted to the stock BMW X3 G01 brake system, which translates into:

• stable piston operation across the full range of system performance,
• proper heat dissipation from the disc-pad area,
• maintenance of appropriate body rigidity during intensive braking,
• compatibility with factory mounts and brackets on the steering knuckle.

The original origin of the component helps maintain predictable braking characteristics, which is important both in daily use and during dynamic driving.

Condition, origin, and benefits of choosing a used part

The offered brake caliper is a used part, sourced from a dismantled BMW vehicle. Such components are frequently chosen by users who expect factory-quality workmanship and fitment while reducing service costs compared to new parts. A used OEM caliper allows for maintaining the original brake system specification without the need to use aftermarket replacements with uncertain parameters.

Choosing an original, used caliper is particularly beneficial in situations where the priority is to maintain the technical integrity of the entire brake system and predictable vehicle behavior during emergency braking.

Safety, installation, and operation

The caliper intended for the rear right side of the vehicle should be installed by a qualified service center, following the manufacturer's procedures regarding system bleeding, leak testing, and verification of disc and pad thickness. A correctly selected and installed element:

• ensures even pad wear on both sides of the axle,
• reduces the risk of vehicle pulling during braking,
• supports the proper operation of assistance systems, such as ABS or stability control.

After installation, it is recommended to perform a test drive and periodic inspection of the brake system to maintain stable performance parameters in the long term.

Brake system expansion and technical knowledge

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

To better understand the advantages of using original, used brake system components and ways to optimize service costs, it is worth checking out our expert material: Brake calipers under the microscope: How to effectively reduce brake system repair costs by choosing proven recycled parts. The article explains how to consciously select braking mechanisms and what to pay attention to when purchasing dismantled components.