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 chassis component designed for installation on the passenger side drive axle. Thanks to its factory BMW design, it ensures precise vehicle handling, stability at higher speeds, and consistent performance of the suspension in conjunction with the braking system.

Specifications and technical data

• SKU: 6774776-6
• 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 chassis system

The described item is a complete rear right axle with a suspension assembly and brake disc, dedicated to the BMW Z4 E85 2.5i with the M54 engine in the Roadster version. It is responsible for transferring loads from the wheel to the body, maintaining suspension geometry, and working in tandem with the braking system on this side of the vehicle.

Vehicle placement: rear, right side – this is key information when selecting parts, as axle components are strictly matched to a specific side and body configuration. Proper selection ensures that factory suspension angles are maintained, which translates into predictable vehicle behavior in corners and even tire wear.

Benefits of using an original BMW component

Using an original BMW component in the Suspension replacement kits category allows you to maintain the structural integrity of the entire chassis system. The element has been designed for the specific weight, load distribution, and operating characteristics of the Z4 E85, which ensures:

• maintaining proper cooperation between the suspension and the rear axle braking system,
• reducing the risk of incorrect geometry after repair,
• ensuring predictable vehicle response during braking and load changes,
• easier installation – mounting points and shape correspond to factory solutions.

This is particularly important in a lightweight, rear-wheel-drive roadster, where the precision of the rear axle has a direct impact on stability and driving comfort.

Characteristics of the used component

The product comes from dismantling and is offered as a used original BMW component. This means maintaining the factory design and compatibility while optimizing repair costs. This type of part is a good choice for:

• post-accident repairs of the rear right side,
• mechanical damage to suspension components on the rear axle,
• the need to restore correct geometry after a strong impact against a wheel or curb.

Before installation, standard workshop verification and suspension geometry alignment are recommended upon completion of the work to fully utilize the potential of this component.

Matching by numbers and parameters

The component has a dedicated OEM part number and a set of interchangeable numbers, which facilitates unambiguous identification in BMW catalogs and part selection systems. If necessary, compatibility with a specific vehicle equipment version can be verified using the VIN and catalog data. This minimizes the risk of purchasing an incorrect component and shortens repair time.

How to care for used suspension components

To maximize the potential of this part, it is worth performing regular chassis inspections and checking the condition of bushings, links, and elements working with the brake disc. Practical tips on operation and maintenance can be found in the article How to extend the life of used car parts?, which describes, among other things, good practices for suspension and dismantled components.

If you are planning a comprehensive repair or upgrade of the rear axle suspension zone in your BMW and need other elements from the same group, such as control arms, mounts, or additional axle components, check the available parts in the BMW suspension replacement kits category.