Main components
| Main components | 
| 1. | Generator (2) | |
| 2. | Starter motor (4) | |
| 3. | Ignition switch unit (20) | |
| 4. | Brake light switch (29) | |
| 5. | Relay, fuel pump (102) | |
| 6. | Clutch switch, cruise control (133) | |
| 7. | Brake switch, cruise control (134) | |
| 8. | Cruise control switch (141, included in 703) | |
| 9. | Relay, A/C compressor (156) | |
| 10. | Main relay, engine management system (229) | |
| 11. | Relay, secondary air injection pump (324) | |
| 12. | Relay, +50 (517) | |
| 13. | Mass air flow sensor (205) | |
| 14. | Boost pressure control valve (179a) | |
| 15. | Coolant temperature sensor (202) | |
| 16. | Injectors (206a-f)   | |
| 17. | Level sensor, engine oil (243) | |
| 18. | Ignition coil with integrated power amplifier (320a-f) | |
| 19. | Solenoid valve, EVAP canister purge (321) | |
| 20. | Motor, secondary air injection pump (326) | |
| 21. | Crankshaft position sensor (345) | |
| 22. | Accelerator pedal position sensor (379) | |
| 23. | Knock sensor, front cylinder bank (516F) | |
| 24. | Knock sensor, rear cylinder bank (516R) | |
| 25. | Atmospheric pressure sensor (539) | |
| 26. | Position sensor, intake camshaft, front cylinder bank (555F) | |
| 27. | Position sensor, intake camshaft, rear cylinder bank (555R) | |
| 28. | Manifold absolute pressure sensor  (585) | |
| 29. | Solenoid valve, shut-off EVAP (588) | |
| 30. | Preheated oxygen sensor, front (592)   | |
| 31. | Preheated oxygen sensor, rear (593) | |
| 32. | Throttle body actuator unit (604) | |
| 33. | Solenoid valve, turbo by-pass (605) | |
| 34. | Control module, Motronic E9, V6 petrol (608) | |
| 35. | A/C pressure sensor (620) | |
| 36. | Fuel pressure sensor, fuel rail (653) | |
| 37. | Intake air sensor (688) contains: | |
| • | Intake air temperature sensor (407) | 
| • | Charge air pressure sensor (603) | 
| 38. | Fuel pump unit (689) contains: | |
| • | Level sensor, fuel (46) | 
| • | Engine, fuel pump (323) | 
| 39. | Solenoid valve, intake camshaft, front cylinder bank (695F) | |
| 40. | Solenoid valve, intake camshaft, rear cylinder bank (695R) | |
| 41. | Engine oil pressure sensor (696) | |
| 42. | Control module, fuel pump (697) | |
| 43. | Relay unit, radiator fans (706a) | |
| 44. | Column Integration Module (703, contains 141) | |

 
     
		