Home >> Audi >> 2019 >> A3 Premium >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Turbocharger, Supercharger [CZPB,CZRA,DBFB,DKZB,DKZC,CZPC,DKZA,DKVA,DKVB,CZPA] >> 21 Turbocharger, Supercharger >> Turbocharger >> Turbocharger Recirculating Valve -N249-, REMOVING AND INSTALLING >> Tightening Specifications