Bilstein B16 (DampTronic) Coilover Suspension Kit - Audi A4/A5/S4/S5/RS5 2017-2021

Bilstein B16 (DampTronic) coilover suspension kit for the 2017–2021 Audi A4, A4 Quattro, A4 allroad, A5 Quattro, A5 Sportback, S4, S5, S5 Sportback, and RS5. This kit retains all active features of the factory electronic damping system and factory controls — a true plug-and-play upgrade. Monotube gas-pressure dampers with application-matched springs on a zinc-coated threaded body allow approximately 30–50mm of ride height adjustment. Engineered and made in Germany with technology tested at the Nürburgring.

Specifications

Documents: Installation Instructions (PDF)  |  Safety Data Sheet (PDF)  |  Warranty (PDF)

This part fits:

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy