1. Coolant pipe: fixed to the intake manifold
2. Intake manifold: made as a single unit with the intercooler
3. Coolant pipe: fixed to the intake manifold
4. Bolt
5. O-ring: replace
6. Intake air temperature sensor "042" /intake manifold pressure sensor-G71-
7. Seals: replace
8. Boost pressure sensor -031 -/intake air temperature sensor 2 "G299"
9. O-ring: replace
10. Branch pipe
11. O-ring: replace
12. Air duct
13. O-ring: replace
14. 7 Nm: self-tapping; tighten by hand and screw in until the bolt passes the old thread; then tighten the bolt to the specified torque
15. Fastening bracket: air duct
16. Throttle valve control unit "J338": after replacing the throttle valve unit "J338", it must be adapted again to the engine control unit "J623" tester
17. O-ring: replace
18. Vacuum pipeline
19. O-ring: replace
20. Vacuum pipeline
21. O-ring: replace