KW H.A.S. Height Adjustable Spring Kit KWS253100AU for 2018+ Audi A5/S5 B9 Coupe with Electronic Dampers

KW (H.A.S) Height Adjustable Spring kits are a great alternative to conventional lowering springs. You are no longer stuck with a fixed lowering height. KW H.A.S. systems allow you to adjust the vehicle ride height with the KW height adjuster even after the kit has been installed. Your vehicle not only gets a more dynamic look, but also the steering behavior and response of the standard dampers becomes more agile. All driver assistance systems and comfort features of a factory adaptive or electronic suspension remain operational and work harmoniously with our vehicle specific spring set up. KW uses high-quality springs made of chrome-silicon steel with spring rates designed specifically for each respective OE suspension damper and wheel load. KW's expertise and engineering ensure the spring rates will pair perfectly with the different damper characteristics of your factory adaptive electronic suspension. Along with the use of high quality materials and the included KW ride height Adjustment - mechanisms, our KW H.A.S. kits always includes the vehicle-specific bump stops with dust protection system to protect your factory suspension against wear & tear caused by road grime and debris. Similar to a coilover suspension, the KW H.A.S kit allow a continuous adjustable ride height within a tested range, something not possible with conventional lowering springs. The dust protection elements and spring perches included in the delivery, when applicable, are always adjusted to the maximum technically possible lowering, typically limited by the factory dampers. With KW height adjustable springs, a sporty and harmonious driving behavior can be achieved without the driving dynamics of performance-oriented vehicles suffering. As with all KW suspension products our engineers de velop vehicle specific parameters and spring specifications which undergo comprehensive testing on the Nurburgring Nordschleife and in our KW 7-post Driving Dynamic Test Center. KW height adjustable springs kits are a great alternative to traditional lowering springs. They allow you to adjust the ride height even after they have been installed. Designed to work with your OE electronic adaptive or regular shocks. For over 20 years, KW automotive has been the market leader and driving innovation as a manufacturer of individual suspension solutions for the road and in all types of motorsports. No matter where in the world, gearheads, automobile manufacturers and reputable tuners rely on our KW coilovers "Made in Germany". Every KW coilover kit undergoes extensive stress testing before production and is developed and manufactured exclusively in our company headquarters in Fichtenberg, a small in town in Germany, to meet the high standards of our KW quality management. For us as a German manufacturer, it goes without saying that our KW coilover kits will exceed the original equipment manufacturer quality and offer useful and innovative solutions. With an application list comprising more than 4,600 options KW guarantees an outstanding selection backed by our Limited Lifetime Warranty. 2018+ Audi A5 (B9) with Electronic Dampers Convertible; Quattro

• Sporty and improved driving behavior is achieved without the driving dynamics of performance-oriented vehicles suffering thanks to our vehicle specific spring rates that are tuned to work with your factory dampers.
• High-strength springs made of multi coated chrome-silicon steel for a long life and is tuned specifically for each vehicle. Application specific high-quality elastomer bump stops also included when applicable.
• Seamless Ride Height Adjustment - Unlike traditional lowering springs you can adjust each corner with millimeter precision.
• Maintains complete functionality of factory electronic suspension systems
• Available for vehicles with or without electronic suspension.
• Limited Lifetime Warranty - Unlimited Mileage

The KW H.A.S. Height Adjustable Spring Kit, part number KWS253100AU, is designed for 2018 and newer Audi A5 and S5 B9 coupe models equipped with electronic dampers. It provides a practical alternative to fixed lowering springs by allowing the ride height to be adjusted after installation. The system works with the original equipment suspension and preserves the functionality of factory electronic damping and driver assistance systems.

KW engineers each application-specific spring rate to complement the characteristics of the original dampers and the vehicle’s wheel loads. High-strength chrome-silicon steel springs help provide long-term durability, while included vehicle-specific bump stops and dust protection components help shield the factory suspension from road debris and wear. The result is a more purposeful stance with responsive steering and balanced driving behavior.

Unlike conventional lowering springs, the KW H.A.S. system provides continuous ride-height adjustment at each corner within the tested application range. The included height adjusters allow precise setup changes without replacing the springs. KW develops and tests its suspension products in Germany, including evaluation on the Nürburgring Nordschleife and at its 7-post Driving Dynamics Test Center. This kit is backed by KW’s Limited Lifetime Warranty with unlimited mileage.

Fitment: Designed for 2018+ Audi A5 and S5 B9 coupe models with electronic dampers. Confirm the exact body style, drivetrain, suspension configuration, and application compatibility before installation.

What's Included

• Vehicle-specific KW height-adjustable springs
• KW ride-height adjustment mechanisms
• Application-specific bump stops when applicable
• Dust protection components when applicable
• Installation components for the specified application

Key Specifications and Technical Data

• Brand: KW
• Part Number: KWS253100AU
• Product Type: Height-adjustable spring kit
• Application: Audi A5/S5 B9 coupe
• Model Year: 2018 and newer
• Suspension Compatibility: Factory electronic dampers
• Adjustment: Continuous corner-by-corner ride-height adjustment
• Warranty: Limited Lifetime Warranty with unlimited mileage

Features:

• Vehicle-specific spring rates are engineered to work with factory dampers for responsive handling and balanced driving behavior.
• Height adjusters provide continuous ride-height adjustment at each corner after installation.
• Multi-coated chrome-silicon steel springs deliver high strength and long-term durability.
• Maintains the functionality of factory electronic suspension systems and compatible driver assistance features.
• Application-specific bump stops and dust protection components help reduce suspension wear from road debris.
• Designed for 2018+ Audi A5 and S5 B9 coupe models with electronic dampers.
• KW suspension components are developed and tested in Germany using extensive vehicle and driving-dynamics evaluation.
• Backed by KW’s Limited Lifetime Warranty with unlimited mileage.

Fitments:
2018 Audi A5 Quattro Premium
2018 Audi A5 Quattro Premium Plus
2018 Audi A5 Quattro Prestige
2018 Audi A5 Sportback Premium
2018 Audi A5 Sportback Premium Plus
2018 Audi A5 Sportback Prestige
2018 Audi S5 Premium Plus
2018 Audi S5 Prestige
2018 Audi S5 Sportback Premium Plus
2018 Audi S5 Sportback Prestige
2019 Audi A5 Quattro Premium
2019 Audi A5 Quattro Premium Plus
2019 Audi A5 Quattro Prestige
2019 Audi A5 Sportback Premium
2019 Audi A5 Sportback Premium Plus
2019 Audi A5 Sportback Prestige
2019 Audi S5 Premium
2019 Audi S5 Premium Plus
2019 Audi S5 Prestige
2019 Audi S5 Sportback Premium Plus
2019 Audi S5 Sportback Prestige
2020 Audi A5 Quattro Premium
2020 Audi A5 Quattro Premium Plus
2020 Audi A5 Quattro Prestige
2020 Audi A5 Sportback Premium
2020 Audi A5 Sportback Premium Plus
2020 Audi A5 Sportback Prestige
2020 Audi S5 Premium
2020 Audi S5 Premium Plus
2020 Audi S5 Prestige
2020 Audi S5 Sportback Premium
2020 Audi S5 Sportback Premium Plus
2020 Audi S5 Sportback Prestige
2021 Audi A5 Quattro Premium
2021 Audi A5 Quattro Premium Plus
2021 Audi A5 Quattro Prestige
2021 Audi A5 Sportback Premium
2021 Audi A5 Sportback Premium Plus
2021 Audi A5 Sportback Prestige
2021 Audi S5 Premium
2021 Audi S5 Premium Plus
2021 Audi S5 Prestige
2021 Audi S5 Sportback Premium
2021 Audi S5 Sportback Premium Plus
2021 Audi S5 Sportback Prestige
2022 Audi A5 Quattro Premium
2022 Audi A5 Quattro Premium Plus
2022 Audi A5 Quattro Prestige
2022 Audi A5 Sportback Premium
2022 Audi A5 Sportback Premium Plus
2022 Audi A5 Sportback Prestige
2022 Audi S5 Premium
2022 Audi S5 Premium Plus
2022 Audi S5 Prestige
2022 Audi S5 Sportback Premium
2022 Audi S5 Sportback Premium Plus
2022 Audi S5 Sportback Prestige
2023 Audi A5 Quattro Premium
2023 Audi A5 Quattro Premium Plus
2023 Audi A5 Quattro Prestige
2023 Audi A5 Sportback Premium
2023 Audi A5 Sportback Premium Plus
2023 Audi A5 Sportback Prestige
2023 Audi S5 Premium
2023 Audi S5 Premium Plus
2023 Audi S5 Prestige
2023 Audi S5 Sportback Premium
2023 Audi S5 Sportback Premium Plus
2023 Audi S5 Sportback Prestige
2024 Audi A5 Quattro Premium
2024 Audi A5 Quattro Premium Plus
2024 Audi A5 Quattro Prestige
2024 Audi A5 Sportback Premium
2024 Audi A5 Sportback Premium Plus
2024 Audi A5 Sportback Prestige
2024 Audi S5 Premium
2024 Audi S5 Premium Plus
2024 Audi S5 Prestige
2024 Audi S5 Sportback Premium
2024 Audi S5 Sportback Premium Plus
2024 Audi S5 Sportback Prestige
2025 Audi A5 Sportback Premium
2025 Audi A5 Sportback Premium Plus
2025 Audi S5 Sportback Premium
2025 Audi S5 Sportback Premium Plus
2025 Audi S5 Sportback Prestige

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: N
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1