Cobra Suspension - We had an Audi A4 B8 of a friend with S-Line Sport Suspension in the shop yesterday for 20mm Cobra Lowering Springs. It sits so nicely now! Audi A4
Audizine Forums
Audizine Forums
A4 S Line Suspension build code - AudiWorld Forums
Dynamic Pro Sport Coilovers 2008-2016 Audi A4 Quattro Sedan (B8/B8.5) – Yellow Speed Racing, USA
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My A4 B8 S Line - AudiForums.com
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Lowering Springs for Audi A4 S4 b8/b8.5 Quattro or FWD 09-16 — Rev Motoring