Well you don't state the engine for 2004 Beetle but a
Beetle 1,9D TDI PD 2000-11 Engine code: ATD = 10Nm
Beetle 1,9D TDI PD 2003-06 Engine code: AXR = 10Nm
If you want a converter have a look here
Beetle 1,9D TDI PD 2000-11 Engine code: ATD = 10Nm
Beetle 1,9D TDI PD 2003-06 Engine code: AXR = 10Nm
If you want a converter have a look here