BMW Z4 E85 2.5i M54 Roadster Rear Right O/S Axle Suspension Leg Brake Disc

BMW Z4 E85 2.5i M54 Roadster Rear Right O/S Axle Suspension Leg Brake Disc is an original suspension component designed for the rear right side of the vehicle. Thanks to its factory geometry and precise fitment for the Z4 E85 chassis with the M54 2.5i engine, it ensures stable handling, precise wheel alignment, and predictable vehicle behavior. It is a practical solution for post-collision repairs, replacing worn-out components, or restoring the suspension to its original factory specifications.

Specifications and technical data

• SKU: 6774776-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6774776
• Substitutable numbers: 33326774776, 6774776, 34216758128, 6758128, 33211229708, 1229708, 34216794306, 6794306, 33326770820, 6770820, 33326757910, 6757910, 34211165032, 1165032, 34216766225, 6766225, 34216752545, 6752545, 33211229498, 1229498
• Location on the vehicle: Rear, Right
• Category: Suspension Component Replacement Kits

Purpose and function in the BMW Z4 E85 suspension

The rear right axle suspension leg in the BMW Z4 E85 is responsible for stable wheel handling, transferring loads from the body to the road, and ensuring proper interaction with other suspension and drivetrain components. Its placement on the rear right axle allows for maintaining correct geometry, which translates into:

• confident cornering,
• even tire wear,
• consistent operation of stability control systems.

For models with the M54 2.5i engine, using the correct axle suspension leg is crucial to ensure that the drivetrain and suspension operate in accordance with factory design standards.

Application in Suspension Replacement Kits

The presented item belongs to Suspension Replacement Kits, making it an excellent choice for comprehensive service work on the rear of the vehicle. The rear right axle suspension leg can be installed during, among other things:

• repairs following mechanical damage or corrosion,
• restoring original handling characteristics,
• replacing worn components within the rear axle assembly.

Selecting the correct component from this group helps maintain the integrity of the entire suspension system, which is important for both ride comfort and the durability of other parts.

Benefits of using an original BMW component

The original axle suspension leg designed for the BMW Z4 E85 2.5i M54 ensures factory-perfect fitment to the body and suspension structure. As a result:

• mounting points align perfectly with stock control arms and fasteners,
• rear axle geometry can be accurately set on a diagnostic rig,
• the risk of improper fitment or stress within the system is minimized.

This solution is particularly beneficial for repairs where the goal is to maintain original driving characteristics without experimenting with aftermarket parts of uncertain quality.

Component characteristics and installation

The rear right axle suspension leg is structurally prepared for operation in the rear of the vehicle, integrated with the drivetrain and suspension. Its position on the vehicle is clearly defined as the rear right side, which facilitates the selection of the correct part during repair. The product is offered as a used component, allowing for an economical repair while maintaining the original design specifications.

Selecting a used axle suspension leg – what to look for

When choosing a used suspension component, it is worth paying attention to compatibility with the specific body and engine version, as well as the condition of the working surfaces and mounting points. A properly selected rear right axle suspension leg helps avoid issues with geometry, play, or improper drivetrain operation. Additionally, it may be helpful to consult a guide on selecting used suspension parts – a detailed discussion can be found in the article Stock vs. sports suspension – design differences and is it worth buying used suspension parts?.

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