Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Model | Years | Engine code | Power | Torque |
| --- | --- | --- | --- | --- |
| 316ti | 2001–2004 | N42B18 / N46B18 | kW (PS; hp) @ 5500 | N·m (lb·ft) @ 3750 |
| 318ti | 2001–2004 | N42B20 / N46B20 | kW (PS; hp) @ 6000 | N·m (lb·ft) @ 3750 |
| 325ti | 2001–2004 | M54B25 | kW (PS; hp) @ 6000 | N·m (lb·ft) @ 3500 |
| 318td (diesel) | 2003–2004 | M47D20 | kW (PS; hp) @ 4000 | N·m (lb·ft) @ 1750 |
| 320td (diesel) | 2001–2004 | M47D20 | kW (PS; hp) @ 4000 | N·m (lb·ft) @ 2000 |
Question:
During which years was the model with the Engine code of m54b25 manufactured?
Answer:
2001–2004