Nice write-up. If this type of tune could be incorporated into an access port type device for easy removal and re-installation, I would definitely buy it.
2014 Guards Red 991 C2S 7MT
2015 YMB/SS F80 M3 6sp - Gone
2011 Sapphire Black/Black E70 X5 M - Gone.
2010 Jerez Black/Black E90 M3 DCT -Gone-
2009 Montego Blue/Grey E90 335i -Gone-