Links
read: original MegaSquirt documentation besides VEMS manual, since MegaSquirt is basically the same.
[GenBoard Version User's Manual]
http://www.vems.hu/wiki/index.php?page=GenBoard
BMW on LPG: http://zymo.homemail.com.au/bmw2.htm
More info on nitrous systems: http://www.diy-nitrous.fsnet.co.uk/index.htm