Turbo swap

Got a rebuilt turbo on a 2000 Jetta tdi will it fit a 2006 beetle tdi?

Nope.

yes and no, vnt15 can be used on a BEW but needs retune to delete the vane position sensor also swapping the turbo outlet hose, drainback hose, and support bracket, the egr may need to be deleted as the pipes might be different .... turbo will bolt up fine, TIP will work, downpipe bolts right up, stock feed line fits