The pickups will respawn five minutes after the last user of the class' death.Elite class pickups will always spawn in a fixed location, for example the Sentry pickup in the bunker under capture point B on Monte Grappa.The Elite units are obtained via pickups, which spawn periodically on the map, appearing as a special weapon inside a long rectangular wooden crate.Here's everything you need to know about how they generally work: The Elite classes are distinct from the standard Assault, Medic, Support, Scout, and Pilot, Tanker and Cavalry classes in a number of ways.
Watch on YouTube Battlefield 1 Elite Classes and how to get them