No reason why not if it works for you do it. Just make sure your new 5 string feels and sounds as you expect.
Many years ago I sold a 1982 G&L L2000e to fund a more modern L2005 (5 string version) thinking it'd be the mostly the same but just with that extra string. I so wish I hadn't done that, the replacement felt and sounded nothing like the magic mojo in the one I sold.
The point is don't automatically assume the same model from the same company but just with 5 strings instead of 4 is going to sound and feel the same as what you have, go try it in person first!
Many years ago I sold a 1982 G&L L2000e to fund a more modern L2005 (5 string version) thinking it'd be the mostly the same but just with that extra string. I so wish I hadn't done that, the replacement felt and sounded nothing like the magic mojo in the one I sold.
The point is don't automatically assume the same model from the same company but just with 5 strings instead of 4 is going to sound and feel the same as what you have, go try it in person first!