Try VY4F2_WN_12.0_A01.EXE the Windows 8 driver for the Dell Wireless Bluetooth 380 card, several users have stated it to work with the 355, 360, 365, 370:
http://ftp1.dell.com/folder00865420m/1/Network_Application_VY4F2_WN_12.0_A01.EXE
http://downloads.dell.com/folder00865420m/1/Network_Application_VY4F2_WN_12.0_A01.EXE
http://downloads-us.dell.com/folder00865420m/1/Network_Application_VY4F2_WN_12.0_A01.EXE
