The Bilstein B12 Pro-Kit is a complete bolt-in suspension system that pairs Bilstein B8 Performance Plus dampers with progressive-rate Eibach Pro-Kit lowering springs, matched and tuned for the Audi A5 Quattro and S5 (2008-2017). It lowers the front roughly 25mm and the rear roughly 20mm for a balanced stance and improved handling while retaining a comfortable, factory-quality ride. The kit covers all four corners and is backed by a limited lifetime warranty against manufacturer defects. Not for vehicles equipped with electronic suspension.
Specifications
| Type | B12 Pro-Kit complete suspension system |
| Contents | Bilstein B8 Performance Plus dampers & Eibach Pro-Kit lowering springs |
| Position | Front and rear (complete kit) |
| Lowering | Front ~25mm, rear ~20mm |
| Spring Type | Progressive-rate Eibach Pro-Kit |
| Part Number | 46-189721 |
| Warranty | Limited lifetime against manufacturer defects |
Documents: Installation Instructions (PDF) | Safety Data Sheet (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2010 | Audi | A5 Quattro | Base |
| 2008-2013,2017 | Audi | S5 | Base |
| 2014-2016 | Audi | S5 | Premium Plus |
| 2014-2016 | Audi | S5 | Prestige |
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
