BMW Z4 E89 23i Roadster Rear Right O/S Suspension Leg Trailing Arm Axle

BMW Z4 E89 23i Roadster Rear Right O/S Suspension Leg Trailing Arm Axle is a complete, used set of rear right suspension components, designed for precise repair of the chassis and braking system in this model. Combining the suspension leg, steering knuckle, brake disc, and caliper allows for a cohesive replacement of the entire module, which facilitates installation and reduces the risk of issues with geometry and brake performance. This is a solution for users who expect factory-fit quality and the maintenance of the handling characteristics typical of BMW.

Specifications and technical data

• SKU: 6783106-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6783106
• Substitutable numbers: 6783106, 33326783106, 34206786058, 6786058, 33207588784, 7588784, 34216782605, 6782605
• Location on the vehicle: Rear, Right
• Category: Suspension Component Replacement Kits

Purpose and function of the set

The presented set from the Suspension replacement kits category includes key components responsible for wheel guidance and load transfer in the rear, right part of the vehicle. The suspension leg and steering knuckle are responsible for the stable mounting of the hub and brake components, while the disc and caliper form a complete working module of the braking system on this axle.

The placement on the vehicle, defined as rear – right side, ensures a precise fit for the correct mounting position in the BMW Z4 E89 23i Roadster. Thanks to this, the set can be used both for post-accident repairs and for replacing worn-out consumables within the suspension and brakes.

Benefits of using a complete set

Using a complete suspension and brake module on one wheel brings a number of practical assembly and operational benefits:

• consistent fit of elements within one side of the vehicle,
• reduction of the risk of incorrect wheel geometry alignment,
• easier diagnostics and installation compared to replacing individual parts,
• preservation of the handling characteristics typical of BMW systems,
• possibility of effective repair of the suspension zone after mechanical damage.

For owners of the BMW Z4 E89 23i Roadster, choosing such a set is a way to technically correct the reconstruction of the rear right suspension corner, while simultaneously restoring the proper operation of the braking system on this wheel.

BMW fitment and identification parameters

The item is intended for BMW vehicles, and its identification is based on the OEM part number and related interchangeable numbers. The presence of multiple reference numbers facilitates the selection of the correct component for a specific equipment version and model year of the BMW Z4 E89 23i Roadster, which is especially important when comparing dismantled parts.

In the technical specification description, you will find designations such as OEM part number, interchangeable numbers, and SKU, which allow you to verify the compatibility of the set with your vehicle. Information about the placement on the vehicle further minimizes the risk of ordering errors.

Characteristics of the used OEM part

This is a used OEM set, sourced from dismantling, which means it maintains the original geometry and construction intended by the vehicle manufacturer. In practice, this translates into proper fitment with other suspension and body elements, as well as compatibility with the factory braking system.

Choosing original dismantled components is often preferred by BMW users who want to maintain the structural integrity of the car and avoid fitment issues typical of aftermarket replacements with inconsistent specifications. The used condition also allows for optimizing repair costs while maintaining an appropriate level of quality.

Support in suspension selection and additional materials

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

When making a decision about using used suspension components, it is worth familiarizing yourself with the structural differences between standard and sports solutions, as well as the principles of safely selecting dismantled parts – this is discussed in detail in the article "Standard vs. sports suspension – differences in construction and is it worth buying used suspension parts?", which will help you consciously plan the repair or upgrade of the chassis in your BMW.