You need all parts (01 through x ) to actually decompress it. Part 06 is useless on its own!
If you are currently looking at this file, it represents a piece of a puzzle. The hunt for the missing parts is often more thrilling than the content itself. BBGer10.part06.rar
What is "BBGer10"? A massive archive of a reality show? A forgotten game mod? A 2010 database? You need all parts (01 through x ) to actually decompress it