Auto-Doc Upgrade: Implant M-5 is a holotape in the Fallout: New Vegas add-on Old World Blues.
This holotape will give the player character increased speed while crouched, when used in the Sink Auto-Doc for (10,000) caps.
The holotape can be found in Z-14 Pepsinae DNA splicing lab, on the lower level, on an operating table. It is guarded by Specimen 73, a unique cazador.
This holotape contains an upgrade file for the Sink robotic assistant: "Auto-Doc"