Stage 1
| Make | Audi |
| Model | A4 (B7) |
| Engine | 2.0 TDI PD |
| Year | 2005>2007 |
| Fuel | DIESEL |
| Power | 167 |
| Power Increase | 214 |
| Torque | 350 |
| Torque Increase | 415 |
| DPF | Yes |
| EGR | Yes |
| ECU | SIEMENS PD1 |
| Price | £250 |
| Make | Audi |
| Model | A4 (B7) |
| Engine | 2.0 TDI PD |
| Year | 2005>2007 |
| Fuel | DIESEL |
| Power | 167 |
| Power Increase | 214 |
| Torque | 350 |
| Torque Increase | 415 |
| DPF | Yes |
| EGR | Yes |
| ECU | SIEMENS PD1 |
| Price | £250 |