BMW Z4 Series E85 2.5i N52 Roadster Rear Left N/S Suspension Leg Brake Disc

BMW Z4 Series E85 2.5i N52 Roadster Rear Left N/S Suspension Leg Brake Disc is an original suspension component designed for the rear left side of the vehicle, ideal for professional chassis repair. Thanks to its factory geometry and precise fit to the BMW design, it ensures stable handling, correct wheel alignment, and predictable vehicle behavior. This is a solution for users who expect a solid, dismantled part that meets the manufacturer's requirements.

Specifications and technical data

• SKU: 6774775-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6774775
• Substitutable numbers: 33326774775, 6774775, 34216758127, 6758127, 33207566229, 7566229, 34216794306, 6794306, 33326770819, 6770819, 33326757909, 6757909, 34211165031, 1165031, 34216766225, 6766225, 34216752545, 6752545, 33207541437, 7541437
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and function in the BMW Z4 E85 suspension

The presented steering knuckle with shock absorber mount is a suspension component responsible for transferring loads from the wheel to the body and maintaining the proper geometry of the rear axle. Mounted on the rear left side of the BMW Z4 E85 2.5i with an N52 engine, it works in conjunction with control arms, the wheel hub, the shock absorber, and brake system components to create a cohesive, rigid load-bearing assembly.

A properly selected steering knuckle contributes to:

• precision in vehicle handling during cornering,
• even tire wear,
• stability during braking and acceleration,
• correct operation of the shock absorber and other suspension components.

Original origin and compatibility

The part comes from the BMW range, which means it retains factory mounting points and is compatible with the Z4 E85 body and suspension design. As a result, installation is predictable, without the need for modifications or adjustments. The product has a dedicated OEM part number and a set of interchangeable numbers, which facilitates verification of compatibility with a specific equipment version and vehicle year.

The steering knuckle with shock absorber in this configuration is particularly useful for post-collision repairs, replacing damaged suspension, or restoring the car to a technical condition consistent with the manufacturer's specifications.

Condition, origin, and benefits of choosing a used part

The item is offered as a used part, sourced from dismantling, which allows for a reasonable repair cost while maintaining the original BMW design. This type of solution is often chosen by workshops specializing in the brand and by conscious users who prefer factory components over replacements with uncertain parameters.

To maximize the potential of dismantled parts and ensure their long-term operation, it is worth checking out practical tips on maintenance and installation – you can find them in the article How to extend the life of used car parts?, which discusses, among other things, issues related to suspension.

Professional installation and application in the suspension system

The steering knuckle with shock absorber intended for the rear left side should be installed by an experienced service center, following the manufacturer's procedures. After installation, it is recommended to:

• perform a wheel alignment check,
• verify the condition of other suspension components,
• check the correct mounting of the shock absorber and accessories.

Such a repair allows for restoring the consistent operation of the entire suspension system, which translates into driving safety and comfort of using the BMW Z4 E85.

Expanding suspension repair in BMW

If you are planning a comprehensive repair or upgrade of the suspension area in your BMW and need other components from the same group, such as control arms, shock absorbers, or springs, check out the available parts in the BMW suspension replacement kits category.

For drivers who want to further optimize service costs while limiting the environmental impact of repairs, a valuable addition to your knowledge will also be the entry Circular economy in your garage – how choosing used parts from dismantling really supports environmental protection and your wallet?, which describes the benefits of consciously using used parts.