BMW F30 F31 F32 Rear Left N/S Brake Caliper Housing Carrier 20/330

BMW F30 F31 F32 Rear Left N/S Brake Caliper Housing Carrier is an original brake system component from the Brake Calipers and Carriers group, designed for installation on the rear left axle of BMW F-series vehicles. This used, factory-spec caliper ensures a proper fit with the hub, carrier, and brake lines, facilitating service and maintaining braking characteristics consistent with the manufacturer's standards. It is a solution for users seeking a technically verified component at a reasonable price.

Specifications and technical data

• SKU: 6850973
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6850973
• Substitutable numbers: 34216850973, 6850973, 34216865641, 6865641, 34216850976, 6850976
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and vehicle placement

The presented caliper is dedicated for installation on the rear left side of the vehicle. This specific placement marking eliminates the risk of error during part selection and allows the mechanic to immediately plan the correct installation relative to the brake disc, pads, and brake line. The caliper construction is prepared for compatibility with the factory BMW F-series brake system, which translates into predictable performance during daily operation.

Benefits of using an original BMW caliper

Choosing an original BMW brake caliper from the Brake Calipers and Carriers category primarily ensures correct geometry and compatibility with other system components. The factory design provides:

• proper brake pad guidance and even pressure on the disc,
• stable operation with the factory master cylinder and brake lines,
• maintenance of the manufacturer-intended braking force characteristics on the rear axle.

As a result, the brake system maintains consistent performance, and the bleeding and adjustment process is predictable for any workshop familiar with BMW standards.

Characteristics of the used component

The offered caliper is a used part, which allows for a significant reduction in repair costs compared to a new OEM component, while maintaining the original design and fitment. A used element of this type is particularly attractive for comprehensive rear axle repairs, where discs, pads, and flexible brake lines are often replaced simultaneously. In practice, this enables the restoration of proper brake system operation without excessive budget strain.

Selection, compatibility, and reference numbers

This brake caliper has an assigned OEM part number and associated interchangeable numbers, which facilitates precise identification in BMW catalogs and workshop software. It is worth comparing the markings with vehicle data to confirm full compatibility with the specific body version and brake system. Additionally, the product has its own SKU inventory identifier, which streamlines order processing and communication with the sales department.

Practical service tips and additional materials

When replacing the rear left caliper in a BMW F-series, it is recommended to simultaneously check the condition of the disc, pads, flexible lines, and carrier mounting points. Proper installation, thorough cleaning of contact surfaces, and careful system bleeding are crucial for achieving a stable pedal feel and even braking. 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, carriers, or mounting hardware, check the available parts in the BMW Brake Calipers and Carriers category.

To better understand how to safely use original, used brake system components and how to reduce service costs without compromising quality, it is worth reading the guide: Brake calipers under the microscope: How to effectively reduce brake system repair costs by choosing verified recycled parts.