BMW Z4 E89 Spax RSX Front Rear Adjustable Spring Shock Absorber Coilover Set

Visual condition of the part

The product shows signs of use visible in the photos.

BMW Z4 E89 Spax RSX Front Rear Adjustable Spring Shock Absorber Coilover Set are adjustable spring-shock absorber struts designed for the front and rear axles of this model. Thanks to the coilover design with adjustable height and damping characteristics, the set allows for precise tuning of the car's handling to your driving style, while maintaining consistent body behavior across the entire suspension travel range. This is a solution for drivers expecting a significantly more direct vehicle response to steering inputs and more stable cornering performance.

Specifications and technical data

• SKU: RSX108
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: RSX108
• Substitutable numbers: RSX108, Spax
• Location on the vehicle: Front, Rear
• Category: Shocks, Struts & Assemblies

Technical characteristics of the coilover set

The presented set consists of complete, adjustable spring-shock absorber struts designed for installation on the front and rear axle of the BMW Z4 E89. The coilover solution integrates the spring and shock absorber into one compact design, which improves system rigidity, facilitates adjustment, and allows for precise geometry setup after lowering the vehicle.

Adjustment covers both height and damping characteristics, allowing for suspension configuration tailored to daily, dynamic, or track driving. This enables the driver to find a balance between comfort and stiffness, achieving more predictable vehicle behavior at high speeds and in fast corners.

Application in the BMW Z4 E89 – front and rear

The set has been designed specifically for the BMW Z4 E89 generation, taking into account the weight distribution, mounting points, and the roadster's body characteristics. The installation covers both the front and rear axles, which helps maintain consistent suspension performance throughout the entire vehicle and avoids the adverse effect of uneven stiffness between the axles.

Such a solution is particularly beneficial for users who:

• plan to lower the body to improve aesthetics and aerodynamics,
• expect faster response to load changes in corners,
• want to reduce body roll and nose-diving during braking,
• are looking for more direct, sporty handling.

Condition, selection, and integration with the suspension system

The components belong to the Shock absorbers and struts category, meaning they are responsible for a key area of suspension operation – controlling body movement and working in tandem with the springs. As a used product, the set is intended for informed users who plan installation after prior verification and potential servicing according to their own operational requirements.

Thanks to the coilover design, integration with other BMW Z4 E89 suspension elements (control arms, stabilizers, mounts) is streamlined, and the adjustability allows for compensating for changes resulting from other modifications, such as stiffer bushings or sports stabilizers.

Benefits of installing an adjustable suspension in the BMW Z4 E89

Using an adjustable spring-shock absorber set in the BMW Z4 E89 translates into a number of practical benefits:

• More precise handling – better control over body movement, especially during dynamic driving.
• Individual height adjustment – tailoring ground clearance to road or track conditions.
• Consistent front/rear characteristics – improved stability during braking and changes in direction.
• Greater predictability of car behavior – beneficial for fast driving on roads with varied surfaces.

For users who want to better understand the impact of shock absorbers and other suspension elements on safety and handling, the following guide will be helpful: Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers. The article explains the relationships between individual components and facilitates informed configuration selection.

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 shock absorbers, columns, or struts, check out the available parts in the BMW shock absorbers and struts category.