A4 Mk1
| Charge air cooling - air flow |
| 1 - | Air cleaner |
| 2 - | Air mass meter -G70- |
| 3 - | Intake side of turbocharger (right-side) |
| 4 - | Turbocharger (right-side) |
| 5 - | Pressure side of turbocharger (right-side) |
| 6 - | Air duct |
| 7 - | Intake side of turbocharger (left-side) |
| 8 - | Turbocharger (left-side) |
| 9 - | Pressure side of turbocharger (left-side) |
| 10 - | Charge air cooler (left-side) |
| 11 - | Intake manifold |
| 12 - | Throttle valve module -J338- |
| 13 - | Charge air cooler (right-side) |
