BMW X3 Series E83 M47N2 2.0d Rear Right O/S Suspension Leg Arm Brake Disc

BMW X3 Series E83 M47N2 2.0d Rear Right O/S Suspension Leg Arm Brake Disc is an original chassis component designed for the rear right side of the axle. Thanks to its factory geometry and robust construction, it ensures stable handling, precise wheel alignment, and predictable vehicle behavior during daily use. It is a practical solution for users looking to restore proper suspension performance without interfering with the manufacturer's original design.

Specifications and technical data

• SKU: 3420502-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3420502
• Substitutable numbers: 33303420502, 3420502, 33303402536, 3402536, 34216765884, 6765884, 34213332217, 3332217, 33303413256, 3413256, 33303405878, 3405878, 34216750162, 6750162, 33207524044, 7524044, 33213428180, 3428180
• Location on the vehicle: Rear, Right
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension system

The presented component is part of the rear suspension system, mounted on the right side of the vehicle. It is responsible for maintaining the correct position of the wheel relative to the body, transferring loads from the road surface, and preserving proper geometry angles. In practice, this translates into stability during braking, predictable reactions to road irregularities, and even tire wear.

By using a solution consistent with the manufacturer's design, compatibility with the factory BMW suspension system is maintained, which facilitates installation and subsequent geometry adjustment. This is particularly important for post-collision repairs, replacing worn components, or restoring factory settings after modifications.

Benefits of using an original component

Choosing a component from the same design line as factory BMW parts helps avoid fitment issues and unforeseen play. The original construction ensures proper rigidity while maintaining the appropriate flexibility of the suspension, which is significant for both comfort and driving safety.

Key advantages include:

• maintaining the vehicle's factory handling characteristics,
• easier diagnostics and geometry adjustment after installation,
• consistency with other rear suspension components,
• the ability to use existing mounting points without modifications.

The element is suitable for both standard operation and more intensively used vehicles, where consistent suspension behavior and predictable load response are essential.

Condition, fitment, and installation

The product falls under the Suspension Replacement Kits category, which highlights its use in comprehensive rear chassis repairs. This allows for a consistent approach to service – replacing several interacting components in one process, which reduces the risk of future play and uneven suspension performance.

The location on the vehicle is clearly defined as the rear right side, which simplifies the selection of the correct part when planning repairs. Precise fitment for the BMW X3 E83 allows for installation in place of the factory unit, without the need to modify the body structure or mounting points.

Use in repairs, refurbishment, and tuning

This type of suspension component is often used not only for standard repairs but also in projects related to refreshing or modifying the car. In the case of used vehicles, where a reasonable service budget is important, using a proven component from the secondary market allows for significant cost reduction while maintaining functionality consistent with the manufacturer's specifications.

If you are interested in the broader context of using used components in premium class cars, it is worth reading an article describing how to safely and effectively use second-hand parts in German cars – you can find it here: Audi on second-hand parts – tuning and repairs without loss of quality.

Expanding BMW rear suspension repairs

If you are planning a comprehensive repair or upgrade of the rear axle suspension area in your BMW and need other elements from the same group, such as additional control arms, mounts, or matching steering knuckles, check out the available parts in the BMW Suspension Replacement Kits category.