Modules A to H are not shown in the general view drawing.
1. Valve 1 of the valve timing regulator "N₂05"
2. Valve 1 of the exhaust valve timing regulator "N318"
3. Lambda probe after neutralizer "G130"
4. Actuating elements of the camshaft adjuster (exhaust camshaft): camshaft regulator executive element A "N580", camshaft regulator executive element B "N581", camshaft regulator executive element A "N588", camshaft regulator executive element B "N589", camshaft regulator executive element A "N596", camshaft regulator executive element B "N597", camshaft regulator executive element A "N604", an executive element in the camshaft regulator "N605".
5. Lambda probe "G39"
6. Noise generator: only on 2.0L engines
7. Air recirculation valve for turbocharger "N₂49" and wastegate "V465": components integrated directly into the turbocharger
8. Hall sensor 3 "G300", 9 Nm
9. Brake light switch "F" and brake pedal switch "F47"
10. Connector: for lambda probes "G39"; lambda probe after neutralizer "G130"
11. High pressure pump with fuel pressure regulating valve "N₂76"
12. Coolant temperature sensor "G62", 9 Nm
13. Engine control unit "J623"
14. Hall sensor "G40", 9 Nm
15. Vacuum actuator of the intake manifold flap
16. MPI injector connector
17. Intake manifold flap valve "N316"
18. Engine speed sensor "G28": moisten the lip seal with oil; replace screws; 4 Nm and turn further by 45° (1/8 turn)
19. Connectors: knock sensor 1 "G61", intake manifold flap valve "N316", fuel pressure sensor "G247", intake manifold flap potentiometer "G336", Hall sensor "G40", FSI injectors "N30...N33"
20. Low fuel pressure sensor "G410", 15 Nm: The low fuel pressure sensor "G410" must be installed with an adapter
21. Knock sensor 1 "G61", 20 Nm: for installation, remove the coolant pump together with the thermostat
22. Temperature sensor; intake air "G42" with intake manifold pressure sensor "G71"
23. Throttle valve control unit "J338": with throttle valve drive with electric throttle module "G186", throttle valve drive angular position sensor 1 "G187" and throttle valve drive angular position sensor 2 "G188"; used throttle body "J338" should be cleaned before installation; after removing and installing or replacing the throttle valve unit "J338", it must be adapted again to the engine control unit "J623"
24. Ignition coils with output stages
25. Fuel pressure sensor "G247", 27 Nm
26. Solenoid valve 1 of the adsorber "N80"
27. Intake manifold flap potentiometer "G336"
28. Coolant temperature sensor at the radiator outlet "G83"
29. Boost pressure sensor "G31"
30. Oil pressure regulating valve "N428"
31. Oil pressure sensor "F22", low oil pressure sensor "F378" and piston cooling oil nozzle control valve "N522"
A. FSI injectors: Cylinder 1 injector "N30". Cylinder 2 injector "N31". Cylinder 3 injector "N32". Cylinder 4 injector "N33"
B. MPI injectors: Injector 2 cylinder 1 "N532". Injector 2 cylinder 2 "N533". Injector 2 cylinder 3 "N534". Injector 2 cylinder 4 "N535"
C. Fuel pump control unit "J538"
D. Clutch pedal position sensor "G476": installed only on vehicles with manual transmission
E. Accelerator pedal position sensor "G79" and accelerator pedal position sensor 2 "G185"; on the gas pedal (both sensors are built into one housing)
F. Radiator fan control unit "J293": integrated into the radiator fan
G. 3rd stage oil pressure sensor "F447"
H. Solenoid valve left electrohydraulic engine mount "N144" and Solenoid valve right electrohydraulic engine mount "N145": not installed on all vehicles (depending on the CP)