we´ve taken some serious time to develop a decent package for Siemens MS43 used at M54B** engines in the E46, Z3, E39 and so on.
This file contains all the goodies with additional notes on how to use the stuff.
As i don´t think i´m able to upload 45mb file here, i´ll attach a link to google drive so that everyone interested in these files can access it. I hope thats not against any restrictions.
Have fun with it and show us some serious engine mods