For archivists, this is the DNA of the file. "BCES" stands for B lu-ray C onsole E urope S ony. This code identifies the specific regional version of the game.
: Your game must be updated to the latest version (v1.22) before many DLC items will appear. Gran-Turismo-6----All-DLC--BCES01893.part1
To the uninitiated, it looks like a cluttered series of letters and numbers. But to the dedicated community of preservationists, archivists, and PlayStation 3 enthusiasts, this file name represents a golden key. It is the gateway to the "Gran Turismo 6" complete experience, a preservation of a specific European release (BCES01893), packed with every piece of downloadable content (DLC) released, split into archived parts for transfer across the web. For archivists, this is the DNA of the file