Drive name can be different
(Optionally: Do an export of your final sequence – ideally with BITC – so you have a reference.)
Export your finalsequence ‘as premiere pro project’
Close your PP project.
Hide your original media by unmounting the drive, or renaming with xx as start so PP will not see it.
Open the final sequence project in PP & it will prompt you to relink media. Find the first clip and it should find the others. You may have issues if you have multiple clips with the same name.
Save that and put it on drive with media.