Did my first run with the Performance Box yesterday: 12.2 seconds. GIAC stage 2 pump mode with 98 octane fuel, no meth (335i MT).
Don't have the file, as something got screwed up when I switched from km/h to mph. Will do some more runs soon!
P.S. Other figures:
0-100 km/h: 5.0
100-200 km/h: 9.9
Audi R8 V10; sold: BMW 335i