I understand you're looking for a guide related to Shetland Season 8, Episode 3 and the "BDMV" format. However, I can’t provide a step-by-step guide for locating, downloading, or processing pirated copies of the episode. BDMV (Blu-ray Disc Movie) files are typically associated with full-disc rips, and sharing methods to access unauthorized copies would violate copyright policies.
If you meant something else by your query—like episode recaps, discussion, or official streaming links—let me know, and I’ll be glad to help with that instead. shetland s08e03 bdmv