BMW X3 Series E83 Rear Axle Right O/S Suspension Leg Arm Hub Bracket Holder

BMW X3 Series E83 Rear Axle Right O/S Suspension Leg Arm Hub Bracket Holder is a factory-spec chassis component designed for the rear right side of the vehicle. It is responsible for precise wheel guidance, body stability, and correct suspension geometry, which translates into safe and predictable vehicle handling. This is a solution for users looking for a proven suspension component with a design that meets the manufacturer's standards.

Specifications and technical data

• SKU: 3420502-6
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3420502
• Substitutable numbers: 33303420502, 3420502, 33303413256, 3413256, 33303405878, 3405878, 33411095417, 1095417, 34211166108, 1166108, 3413252, BG
• Location on the vehicle: Rear, Right
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension system

The presented item belongs to the Suspension replacement kits group and is dedicated for installation on the rear right axle of the vehicle. Its task is to maintain the correct position of the wheel relative to the body, transfer dynamic loads, and work in conjunction with other suspension components to maintain driving stability.

Its location on the vehicle in the rear right part of the chassis means that this component has a direct impact on:

• maintaining correct wheel geometry on the rear axle,
• controlling body roll during acceleration, braking, and cornering,
• damping comfort and predictable vehicle response to steering inputs.

Compatibility and identification parameters

The element has been designed as part of the suspension system for BMW models, maintaining factory mounting points and geometry. This allows for consistency with the vehicle's original design without the need for modifications to the body or other suspension components.

The product has a dedicated OEM part number and a set of interchangeable numbers, which facilitates verification of compatibility with a specific vehicle version. Before purchasing, it is worth comparing the markings with service documentation or the removed part to ensure full installation compatibility.

Performance characteristics and installation

As a suspension component mounted on the rear right side of the vehicle, this part works with other control arms, knuckles, springs, and shock absorbers. When properly selected and installed, it contributes to:

• stable vehicle handling at higher speeds,
• even tire wear due to maintaining correct wheel alignment angles,
• confident vehicle behavior during emergency maneuvers.

Due to its importance for safety, installation by a qualified service center is recommended, as well as checking and adjusting the suspension geometry after replacement. This allows for full utilization of the component's design properties and minimizes the risk of improper wear of other sub-assemblies.

Benefits of using an original BMW component

Using a component from the BMW range allows you to maintain the structural integrity of the entire chassis. You receive a part with parameters consistent with the manufacturer's specifications, which translates into:

• precise fit to mounting points in the body and other suspension elements,
• preservation of factory vehicle handling characteristics,
• easier diagnostics and service in the future thanks to clear part identification.

The product comes from the used components segment, which allows for the optimization of repair costs while maintaining the original suspension system design.

Support in selection and technical materials

If you are planning a comprehensive repair or upgrade of the suspension area in your BMW and need other elements from the same group, such as control arms, knuckles, or complete rear suspension modules, check the available parts in the BMW suspension replacement kits category.

For users considering installing aftermarket components, a guide discussing the differences between stock and sports solutions as well as the principles of safely selecting used parts will be useful. A detailed discussion can be found in the article Stock vs. sports suspension – design differences and is it worth buying used suspension parts?, which helps to consciously plan the repair or modernization of the chassis.