Part I

Part II, refer to PART II 

Part III, refer to PART III 

Part IV, refer to PART IV 

Fig 1: Turbocharger Assembly Overview (Engine Codes AXX, BPY, BWA) -- Part I

Courtesy of AUDI OF AMERICA, LLC

1. Turbocharger
   • Can only be replaced with exhaust manifold and pressure unit.
   • Removing and installing, refer to TURBOCHARGER 
2. Gasket
   • Replace
3. Bolt
   • 9 Nm
4. Line for Crankcase Ventilation
5. Heat Shield
6. Evaporative Emission (EVAP) Line
7. Turbocharger Vacuum Diaphragm
   • Checking, refer to TURBOCHARGER VACUUM DIAPHRAGM, CHECKING 
   • Removing and installing, refer to TURBOCHARGER VACUUM DIAPHRAGM 
   • Adjusting, refer to TURBOCHARGER VACUUM DIAPHRAGM, ADJUSTING 
8. Nipple
9. Seal
   • Replace
10. Hose
11. Hose
12. Bolt
    • 3 Nm
13. Wastegate Bypass Regulator Valve -N75-
14. Bolt
    • 8 Nm
15. Seal
    • Replace
16. Connection
17. Securing Clip
18. Bolt
    • 9 Nm
19. Hose
20. Bolt
    • 7 Nm
21. Bracket
22. Bolt
    • 7 Nm
23. Turbocharger Recirculating Valve -N249-
    • Note installation position, refer to Fig 2
24. Seal
    • Replace

Fig 2: Identifying Installation Position Of Turbocharger Recirculating Valve N249

Courtesy of AUDI OF AMERICA, LLC

-- Note installation position -arrows-.