BMW G20 G21 320i B48D Rear Right O/S Suspension Leg Wheel Hub Carrier Brake Disc

The Rear Right Suspension Assembly with Wheel Hub and Brake Disc for BMW G20/G21 320i B48D is a complete, original drivetrain component designed for the rear passenger side axle. This suspension replacement kit combines key components responsible for wheel guidance, load transfer, and brake system integration into a single part, simplifying servicing and reducing the risk of incorrect installation.

Specifications and technical data

• SKU: 6898480-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6898480
• Substitutable numbers: 6898480, 33306898480, 33208666074, 8666074, 34206894082, 6894082, 34216860925, 6860925
• Location on the vehicle: Rear, Right
• Category: Suspension Component Replacement Kits

Intended Use and Function in the Drivetrain

The presented component is dedicated to BMW 3 Series G20/G21 320i models with the B48D engine, where it is responsible for stable guidance of the rear right wheel and precise maintenance of suspension geometry. The integration of the suspension strut, steering knuckle/hub, and brake disc into one assembly allows for cohesive operation of the suspension and braking systems, resulting in predictable vehicle behavior during acceleration, braking, and cornering.

Its placement on the vehicle is the rear – right side, which is important when selecting parts for accident repairs, replacement due to wear, or suspension modifications. By retaining the factory design, the assembly works with the original body mounting points and the original brake system components on this side.

Assembly Design and Benefits of Using a Complete Component

The assembly includes the suspension strut with wheel mounting, the load-bearing steering knuckle/hub element, and the brake disc, allowing it to be treated as a complete rear right suspension corner module. This solution:

• simplifies the servicing process – you remove and install one assembly instead of several separate parts,
• reduces the risk of installation errors related to incorrect positioning of individual components,
• facilitates the restoration of correct geometry after body and mechanical repairs,
• ensures material and structural consistency of components working together in one suspension corner.

By retaining the original BMW design, the assembly is compatible with factory traction and stability control systems, which rely on precise rear axle operation and accurate wheel movement parameter readings.

Condition, Origin, and Fitment

The component comes from the original BMW production line and is offered as a used part, allowing for a combination of high manufacturing quality with an attractive price compared to new components. Using an original suspension replacement kit minimizes the risk of fitment issues typical of cheaper aftermarket alternatives and facilitates subsequent rear axle geometry adjustment.

For certainty in selection, it is advisable to verify compatibility with the OEM part number and interchangeable numbers visible in the technical specifications section – these are the basis for correct fitment to a specific version of the BMW 320i B48D. This approach is particularly important for cars that have undergone modifications or have different suspension equipment variants.

Application in Repairs, Tuning, and Upgrades

This rear right suspension assembly with hub and brake disc is suitable for both standard replacement of worn components and more extensive projects – from accident repairs to drivetrain modifications. It can serve as a basis for further work on improving handling characteristics, e.g., in conjunction with other suspension components with altered damping characteristics or stiffer bushings.

If you are interested in a broader context of using used components in premium automotive, including sports and tuning projects, it is worth reading the article on our blog: Audi on second-hand parts – tuning and repairs without quality loss. The principles of selecting and verifying used suspension and brake components described there are largely universal and also helpful when working with BMW.

Expanding Work on BMW Suspension

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 additional struts, steering knuckles, or complete suspension corner modules, check the available parts in the category BMW Suspension Replacement Kits.