Not bad at all, glad to hear they are improving their products.
BUTTTT with all those mods for a 12.6? We ran a 12.74 in a 4 door 335i auto with the stock 18's with just our custom DME tune. Maybe just more seat time in the car can improve it? Good luck dude!
BMW Master Tech/Diesel & M Specialist '11 328i M Sport(daily) '02 530i (PT6262 turbo/E85fuel) 550hp @ 14psi