After two weeks of fiddling around with my eGPU setup I have finally found a method that works well with my hardware. There are many suggested modifications on this forum (Evo*'s modified boot files, DSDT overrides*see note bottom of post, DIY eGPU setup), but it seems that these modifications are not necessary for the 2015 13" MBP. The setup includes easy plug-and-play hardware setup, fairly easy software setup (little bit of command line), and installation of Windows 8 on an external dr