BMW G30 G31 M Sport Rear Brake Caliper Right O/S Brake Housing Carrier 44/24

Visual condition of the part

The product shows signs of use visible in the photos.

BMW G30 G31 M Sport Rear Brake Caliper Right O/S Brake Housing Carrier is an original component from the Brake Calipers and Carriers group, designed for installation on the rear right axle of 5 Series G30/G31 models in the M Sport version. This used OEM component ensures a proper fit to the factory braking system and maintains the performance characteristics specified by the manufacturer.

Specifications and technical data

• SKU: 6891916
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6891916
• Substitutable numbers: 6891916, 34206891916
• Location on the vehicle: Rear, Right
• Category: Calipers & Brackets

Purpose and fitment for BMW G30/G31 M Sport

The presented caliper is designed specifically for the rear right side of BMW 5 Series G30/G31 vehicles with the M Sport package. This ensures compatibility with the factory suspension geometry, correct positioning relative to the brake disc, and proper operation with the vehicle's standard hydraulic system and electronics.

Thanks to the OEM design, key braking system performance parameters are maintained, such as even pad pressure, stable pad guidance in the carrier, and predictable response to system pressure. This is particularly important in premium vehicles, where the braking system is tuned for higher performance and vehicle weight.

Technical construction and function of the caliper

The rear right brake caliper in the M Sport version is responsible for generating braking force on one of the rear axle wheels, working in conjunction with the brake disc and pads. The caliper body and the carrier (bracket) form a rigid, deformation-resistant structure that ensures stable pad guidance and even wear of the friction material.

A properly selected caliper:

• maintains the correct position of the pads relative to the disc,
• ensures repeatable piston travel and predictable braking force modulation,
• reduces the risk of disc and pad overheating due to stable pressure,
• supports the proper operation of safety systems such as ABS or stability control.

For the M Sport version, the thermal and mechanical stability of the caliper is particularly important, as the braking system is more frequently subjected to higher loads during dynamic driving.

Benefits of using an original used caliper

Using an original, used brake caliper in a BMW G30/G31 M Sport allows you to maintain factory performance parameters while optimizing service costs. The OEM component is structurally compatible with other system elements, which facilitates installation and reduces the risk of compatibility issues.

The main advantages of this solution include:

• factory fitment to the hub, disc, and brake lines,
• preservation of the original braking characteristics intended for the M Sport version,
• no need for modifications to mounts or adapters,
• consistency with other components of the rear axle braking system.

A used component from this group, with proper installation and maintenance, can effectively restore the efficiency of the braking system after damage or wear of the previous caliper.

Professional installation and operation

Due to the importance of the braking system for safety, the installation of the rear right caliper in a BMW G30/G31 M Sport should be performed by an experienced service center, following the manufacturer's procedures. Attention should be paid to:

• proper bleeding of the system after replacement,
• checking the condition of the brake discs and pads working with the caliper,
• verifying the tightness of hydraulic connections,
• verifying the correct operation of the piston and free movement in the carrier.

To better prepare for selecting and evaluating a used brake component, it is worth using the advice contained in the article Second-hand braking system: how to safely choose discs, calipers, and ABS?, where you will find a practical checklist useful during purchase.

Additionally, to maximize the potential of the used component and ensure its long-term operation, the guide How to extend the life of used car parts? may be helpful, describing proven methods for maintenance and operation of dismantled parts.

BMW braking system expansion

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