AUDI 8N0511115E. When installing an Apec Coil Spring, replacing the OE parts in axle pairs prevents uneven wear and reduces the likelihood of another premature spring failure. APEC ACS1296. AUDI TT (8N3) 1.8 T quattro Coupe Petrol 10/1998 06/2006 AWD 20 180 132.
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