1. Fuel Supply System E38/39: Notes
1.1 Description Of Parts
FUEL SUPPLY SYSTEM DESCRIPTION
| 1. Fuel tank (E38 steel, E39 plastic) | 16. Float valve (USA only) |
| 2. Electric fuel delivery pump | 17. Fuel return line |
| 3. Surge chamber | 18. Fuel feed line |
| 4. Suction jet pump | 19. Fuel filter |
| 5. Pressure relief valve | 20. Pressure regulator |
| 6. Overflow protection valve | 21. 3/2-way valve (M52 USA only) |
| 7. Pressure check line (USA only) | 22. Fuel rail |
| 7. Refuelling vent line (all countries) | 23. Flush line |
| 8. Non-return flap | 24. Engine control unit |
| 9. Filler neck | 25. Fuel evaporation control valve |
| 10. Fuel filler cap | 26. Intake manifold |
| 11. Tank expansion line | 27. Vacuum line (leak diagnosis pump USA only) |
| 12. Refuelling vent line (USA only) | 28. Activated carbon filter |
| 12. Operating vent line (all countries) | 29. Breather pipe |
| 13. Operating vent line | 30. Leak diagnosis pump (USA only) |
| 14. Expansion tank | 31. Tank leak diagnosis module (USA only) |
| 15. Rollover valve | 32. Dust filter (USA only) |