BMW Z4 E85 Roadster Rear Spring Strut Shock Absorber 6770342

BMW Z4 E85 Roadster Rear Spring Strut Shock Absorber is an original component from the Shock absorbers and struts group, designed for the rear suspension of this model. It ensures stable handling, predictable vehicle behavior, and proper vibration damping during daily use. This is a solution for users who expect consistency with the factory suspension characteristics of the BMW Z4 and want to maintain precise handling.

Specifications and technical data

• SKU: 6770342
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6770342
• Substitutable numbers: 6770342, 33526770342, 6785996, 33526785996
• Location on the vehicle: Rear
• Category: Shocks, Struts & Assemblies

Purpose and function in the suspension system

The presented shock absorber operates on the rear axle, responsible for controlling the movement of the suspension springs and stabilizing the body during acceleration, braking, and driving over uneven surfaces. A properly selected component of this type reduces body roll, improves tire grip on the road surface, and affects the efficiency of the braking system.

The shock absorber has been designed specifically for the BMW Z4, which means it is matched to the suspension geometry, vehicle weight, and factory performance characteristics. As a result, the driver retains the precise handling typical of BMW and predictable vehicle reactions in corners.

Technical characteristics and compatibility

The component belongs to the Shock absorbers and struts category, meaning it is a key part for the suspension system's operation, working in conjunction with other rear axle components. The design is intended for installation at the rear of the vehicle, with the possibility of use on the left or right side, in accordance with the BMW Z4 configuration.

The original BMW origin helps maintain the appropriate stiffness, working stroke, and damping characteristics, which is important when replacing a single component or a pair of shock absorbers. The product has an assigned OEM part number and associated interchangeable numbers, which facilitates verification of compatibility with a specific vehicle equipment version.

Condition, origin, and service application

The shock absorber comes from the BMW parts group and is offered as a used component, which allows for economical suspension repair while maintaining the manufacturer's original specifications. This type of component is particularly useful for servicing vehicles where it is necessary to replace a worn or damaged rear shock absorber without interfering with the suspension design.

Due to its factory design for the BMW Z4, installation takes place in the location provided by the manufacturer, using standard mounting points. This facilitates workshop work and shortens vehicle downtime, while simultaneously allowing for the maintenance of proper geometry and driving safety.

Benefits of using an original rear shock absorber

• Consistency with factory suspension characteristics – maintaining the predictable handling and ride comfort typical of the BMW Z4.
• Better cooperation with other rear axle elements, such as springs and mounts, thanks to a design consistent with the manufacturer's project.
• Possibility of use on the left or right side of the vehicle rear, which facilitates service and part selection.
• Economical solution for users looking for original components in the used parts segment.

Choosing an original rear shock absorber for the BMW Z4 allows you to restore proper suspension operation after a collision, wear and tear, or suspension system upgrades, without the need to use replacements with uncertain characteristics.

Suspension service expansion and auxiliary materials

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 front shock absorbers, struts, or additional mounts, check out the available parts in the BMW shock absorbers and struts category.

For a better understanding of how the suspension system works and the principles of component selection, you can use the guide describing shock absorbers, control arms, and stabilizers – you will find it in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers. If you are interested in a broader perspective on choosing original elements from the secondary market, our guide to used car parts may also be helpful: Best used car parts – a guide to the most frequently chosen original parts.