Audi RS4 B8 Coil Spring Suspension Rear Left Right N/O/S Set 8K0511115CN

Audi RS4 B8 Coil Spring Suspension Rear Left Right N/O/S Set is a set designed for both sides of the rear axle, specifically engineered for the sports version of the B8 generation RS4. The original design from the Leaf springs and coil springs group ensures proper body support, stability at higher speeds, and predictable vehicle behavior in corners. This used set allows for a technically correct replacement of suspension components without interfering with the factory geometry.

Specifications and technical data

• SKU: 8K0511115CN
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0511115CN
• Substitutable numbers: 8K0511115CN, 8K0 511 115 CN
• Location on the vehicle: Rear, Right, Left
• Category: Leaf & Coil Springs

Purpose and vehicle placement

The set of springs has been prepared for installation on the rear axle, for use on both the right and left sides. This solution allows for maintaining consistent suspension performance parameters on both sides of the vehicle, which translates into even deflection and predictable response to loads. Using a dedicated set for the RS4 B8 reduces the risk of incorrect selection of suspension stiffness and height.

Technical and functional characteristics

The rear springs in the Audi RS4 B8 are responsible for maintaining the correct ride height, stabilizing the vehicle during dynamic driving, and properly transferring loads to the shock absorbers. The design tailored to the RS version ensures:

• controlled deflection during acceleration and braking,
• appropriate stiffness for the car's sporty character,
• compatibility with standard rear axle suspension components.

By maintaining the factory suspension operating characteristics, the car retains the balance between comfort and handling precision intended by the manufacturer. This is particularly important in a high-power model, where rear axle stability has a direct impact on safety and the repeatability of the car's behavior.

Use in service and repairs

The set of rear suspension springs for the RS4 B8 is suitable both for standard replacement of worn components and for restoring factory parameters after suspension modifications. Using original components from the Leaf springs and coil springs group facilitates maintaining correct geometry and minimizes the need for additional setting adjustments. The used set allows for an economical, yet technically correct repair, especially when it is necessary to replace both springs on the axle.

Condition and compatibility verification

The item is offered as a used part, which means it has been dismantled and is intended for further use after proper installation. Before purchasing, it is worth verifying compatibility with the specific equipment version and suspension configuration of your RS4 B8 to maintain the consistency of the rear axle's operating parameters. Selecting the appropriate springs is crucial for even tire wear, braking efficiency, and vehicle stability during load changes.

Category and related Audi suspension components

If you are planning a comprehensive repair or upgrade of the rear suspension area in your Audi and need other elements from the same group, such as additional springs, leaf springs, or mounting brackets, check the available parts in the Audi leaf springs and coil springs category.

Support for Audi performance modifications

For projects where, in addition to the suspension, you are also planning drivetrain modifications, practical tips on safely increasing power may be useful. To better plan such changes and avoid common mistakes when selecting used components, it is worth reading our guide: 2.5 TFSI DAZA – how to safely increase the power of an Audi RS3 by buying used turbochargers.