The archive is useless without the other parts; it cannot be played or partially extracted.

"BDRemux" tags are often used as bait by malicious actors. Scammers may include an .exe or .bat file inside the RAR that mimics a "codec" or "player."

If you are seeing any when trying to open it?

Files with this naming convention are frequently hosted on unofficial platforms like 1337x or EXT Torrents. If you did not intentionally download this, be aware of the following:

The .part05.rar extension indicates this is the fifth chunk of a larger file. You must have all parts (e.g., part01 through partXX) in the same folder to extract the video.