Buy OEM Audi Part # 8K0511115DB (8K0-511-115-DB). Coil Spring. A4, S4; 1 Paint Mark. W/O AWD, w/1 gray paint mark. Suspension Coil Spring - Repair or Replace Your coil springs are not

Coil Spring.
Coil Spring. Exc.Sport Suspension.

Coil Spring

Fits A4, S4

A4, S4; 1 Paint Mark. W/O AWD, w/1 gray paint mark.
Suspension Coil Spring - Repair or Replace
Your coil springs are not especially prone to failure, but if they have been cut, clamped, or heated to have the vehicle lowered, your Audi might benefit from replacing the strut springs. Excessive rust can make the springs more prone to failure. Contact your local Audi service department to have your suspension system evaluated.