BMW X3 G01 20dX B47d Rear Left N/S Wheel Hub Suspension Leg Brake Caliper Disc

The BMW X3 G01 20dX B47d Rear Left N/S Wheel Hub Suspension Leg Brake Caliper Disc is a used, original component from the Suspension replacement kits group, designed for installation on the rear axle on the driver's side. Integrating several key components into a single module facilitates maintenance, reduces repair time, and helps maintain the factory handling characteristics of the BMW X3 G01.

Specifications and technical data

• SKU: 6871027
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6871027
• Substitutable numbers: 6871027, 33306871027, 6870981, 33306870981, 34216870575, 6870575, 33208679967, 8679967, 34216882245, 6882245
• Weight: 150
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and configuration of the assembly

The presented assembly is dedicated to the BMW X3 G01 20dX with the B47d engine and is mounted on the rear axle on the left side. Combining the wheel hub, suspension support element, and brake system components into one module ensures geometric consistency, handling stability, and correct load transfer under typical operating conditions of a premium SUV.

The placement on the vehicle is factory-defined as rear, left, which is important for maintaining proper suspension geometry, correct brake operation, and compatibility with the vehicle's safety systems.

Construction and function of the elements

The assembly includes a rear left suspension module with a wheel hub, which is responsible for transferring loads from the body to the wheel and maintaining a stable position of the hub relative to the body. The integrated brake caliper with the disc creates a complete mounting point for the braking system, which makes it easier to replace the entire sub-assembly instead of individual parts.

This configuration is particularly beneficial for post-accident repairs or when replacing worn components, as it limits the risk of assembly errors, facilitates geometry alignment, and allows for consistent suspension and brake performance on one side of the axle.

Benefits of using an original used assembly

The original suspension assembly from dismantling ensures the preservation of factory mounting points, proper fit to the body, and compatibility with standard BMW solutions. As a result, the installation is predictable, and the risk of fitment issues or incorrect operation of the brake and suspension system is minimized.

A used element of this type is a reasonable compromise between cost and quality – it allows for restoring the correct operation of the rear axle without the need to invest in a new, complete module. The assembly is particularly useful for repairs where several components have been damaged simultaneously (hub, suspension leg, brake elements), and the priority is a quick return of the vehicle to full efficiency.

Selection, weight, and assembly aspects

The element should be selected exclusively for the specific version of the BMW X3 G01 20dX B47d, taking into account the placement on the vehicle. The assembly has a specific weight, which is important both from a logistics point of view and for planning workshop work (lifting, mounting on a lift, selection of auxiliary tools).

During installation, it is recommended to use new fasteners and check the rear axle geometry after the work is completed to fully utilize the potential of the BMW suspension design and ensure even tire wear and stable vehicle handling.

Expansion of the BMW suspension and brake system

If you are planning a comprehensive repair or upgrade of the suspension and brake zone in your BMW and need other elements from the same group, such as additional suspension legs, complete hub modules, or brake assemblies, check the available parts in the BMW suspension replacement kits category.

To better understand the differences between standard and sports suspension configurations and to make informed decisions regarding the purchase of used components, it is worth reading the guide article "Standard vs. sports suspension – design differences and is it worth buying used suspension parts?", which discusses the construction, parameters, and practical examples of component selection.