Audi A6 C5 Allroad Quattro ('99-'05) – BC Racing BR Series Coilovers – REDesign Customs
How to Install the Arnott Coil Spring Conversion Kit for 2001-2005 Audi allroad - YouTube
Source 4Z7616051A 4Z7413032 suspension Coilover conversion Kit for Audi A6 C5 4B Allroad Quattro spring coil replacement on m.alibaba.com
5pcs Air To Coil Spring Struts Conversion Kit For Audi A6 C5 4b Allroad, Quattro 1999-2006 4z7413031a 4z7616051a 4z7616052a - Shock Absorber & Struts - AliExpress
ECS News - Audi Allroad 2.7T / 4.2 Coil Spring Conversion Kit
Audi A6 C5 Allroad Quattro ('99-'05) – BC Racing BR Series Coilovers – REDesign Customs
2000-2006 Audi Allroad Quattro (C5) - Coil Spring Conversion Kit [C-2718] | $1,293.95 | SD Truck Springs | Leaf Springs, Helper Springs and Suspension Parts