Bilstein's B12 Pro-Kit pairs a complete set of shortened Bilstein B8 dampers with Eibach Pro-Kit springs for the Audi S3, giving you a set, road-tuned drop that bolts straight in on the factory spring-seat design.Bilstein publishes moderate lowering of 24–40mm across the Pro-Kit range, depending on the application, with dampers and springs tuned together for each specific vehicle.Important Compatibility InformationBilstein's published application for this kit is the 2015–2020 Audi S3 (8V).Why Choose the Pro-Kit Complete four-corner kit, shortened Bilstein B8 dampers matched to Eibach Pro-Kit springs Moderate lowering of 24–40mm, Bilstein-published, depending on application Keeps the OE spring-seat design, so it bolts in without extra modification Engineered to clear at the lower ride height for its listed applications What's Included Bilstein B8 dampers, shortened (x4) Eibach Pro-Kit springs (x4) Reused from the vehicle: serviceable mounts and hardware are reused per Bilstein's install instructions.Installation NotesAfter installation, have caster, camber, driver-assistance sensors, headlight aim, and the load-dependent brake compensator and ABS system checked and adjusted to specification. Do not use impact tools on any fastener. Installation should be performed by a qualified suspension specialist. Bilstein's installation instructions are available as one PDF and a second PDF.Product Specifications SKU: B009 46-261212 MPN: 46-261212 GTIN: 651860789910 Manufacturer: Bilstein Series: Bilstein B12 (Pro-Kit) Internal design: Monotube Finish: yellow dampers, dark grey springs Fitment: a complete kit for the 2015–2020 Audi S3 (8V) Need a Different Suspension?Height-adjustable option for the same platform: the Bilstein B14 PSS coilovers. Top-tier option with adjustable damping: the Bilstein B16 PSS10 coilovers.Frequently Asked QuestionsWhat dampers does this kit use?Four shortened Bilstein B8 dampers, matched to Eibach Pro-Kit springs.How much does this kit lower the car?Bilstein publishes moderate lowering of 24–40mm across the Pro-Kit range, depending on the application.Is there a coilover version for more adjustment?Yes. Bilstein's B14 PSS adds stepless height adjustment, and the B16 PSS10 adds adjustable damping on top of that, both for the same MQB platform.Do I need an alignment after installing?Yes. Any ride-height change requires an alignment and a check of driver-assistance sensors.