If you are looking for the file itself or the detailed guide often cited in blogs: BMW Software Update : The primary source is the BMW update site
By far, the most common association with the upd01008.bin file is (HLDS – Hitachi-LG Data Storage). Specifically, this file is a firmware update payload for LG’s internal and external Blu-ray writers, DVD writers, and combo drives. upd01008.bin download
This voids your warranty and carries a high risk of permanently destroying your drive. Only do this if you know what "DOSFLASH" or "Flash utility" means. A standard upd01008.bin download from LG will not perform these hacks. If you are looking for the file itself