It does exist.
bali-dps-airport.com
No need to find the famous BlueBird tax outside the Departure Hall.
There are numerous videos on line.
The catch is the bus does not accept cash!

Bali Airport Shuttle Bus | Lines, Timetables & Tickets
Learn everything about the shuttle and bus lines from and to Bali Airport; Connections, prices, timetables, all popular routes & more.

No need to find the famous BlueBird tax outside the Departure Hall.
There are numerous videos on line.
The catch is the bus does not accept cash!