Audi TT RS 8J Rear Axle Coil Suspension Spring Left Right N/O/S SET 8J0511115BG

Audi TT RS 8J Rear Axle Coil Suspension Spring Left Right N/O/S SET is an original component from the Leaf springs and coil springs group, designed for use on both sides of the rear axle. The set has been specifically engineered for the TT RS 8J version, ensuring proper deflection characteristics, body stability, and predictable vehicle behavior during dynamic driving. This is a solution for users who want to maintain factory handling parameters and consistent suspension performance.

Specifications and technical data

• SKU: 8J0511115BG
• Mark: Audi
• Condition: Used
• OEM Part Number: 8J0511115BG
• Substitutable numbers: 8J0511115BG, 8J0 511 115 BG
• Location on the vehicle: Rear, Right, Left
• Rim width: 8
• Category: Leaf & Coil Springs

Purpose and function in the Audi TT RS 8J suspension

The presented set of springs operates on the rear axle, on both the left and right sides, as part of the coil suspension system in the Audi TT RS 8J. It is responsible for maintaining the correct ride height, controlling deflection under load, and stabilizing the vehicle during acceleration, braking, and cornering. Thanks to being tailored to the specific model, the springs maintain the correct stiffness and progression, which translates into predictable car reactions.

Construction and technical fitment

The springs have been constructed to work with wheels of a specific width, which allows for maintaining correct suspension geometry and even load distribution. The use of an appropriate coil profile and adaptation to the rear axle of the TT RS 8J reduces the risk of unwanted handling changes, such as excessive body roll or instability at higher speeds. The set includes components intended for installation on both the right and left sides, which facilitates comprehensive replacement in a single service operation.

Benefits of using original rear axle springs

Using a dedicated set of springs in the Audi TT RS 8J allows for maintaining the consistency of the suspension with other chassis components. In practice, this means:

• maintaining factory handling characteristics and predictable vehicle reactions,
• proper body support during dynamic driving,
• even loading of cooperating components in the rear suspension section.

For users who expect stable vehicle behavior and want to avoid accidentally mixing different spring characteristics, such a set is a technically safe solution consistent with the manufacturer's design assumptions.

Component condition and service application

The offered set comes from the used parts group, which allows for an economical replacement while maintaining the original design specification. These types of springs are suitable both for standard suspension repairs after operational wear and for replacement after one-sided damage, when it is recommended to refresh both sides of the rear axle simultaneously. Choosing original components from the Leaf springs and coil springs category reduces the risk of fitment issues and facilitates workshop operations.

Expanding Audi suspension upgrades

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 related suspension components, check the available parts in the Audi Leaf springs and coil springs category.

For drivers interested in further personalizing handling characteristics, including improving driver ergonomics and steering precision, an article describing the replacement of stock solutions with sport and premium versions may be helpful – more information can be found in the material Personalization and ergonomics – when is it worth replacing the steering wheel with a premium model?.