DCT is beast with all the beating i have put on it.( I have over 100+ runs at the drag strip in hot and cold weather and 10 plus track event I have not had any problems with my DCT at all and i haven't ever done any tune or anything to it. Stock Software that came with my car from the start and i am at 70,000+ miles on the car. 43,000 miles of N/A with mods smooth as the day i got it. Now i have 33,000+ miles with a SC and is smooth as before and still crisp.
Rs7 stock : 11.358 122.19 with a 1.7 60ft Street tires
F10 M5: 11.308 131.96 with a 1.9 60ft Street Tires
E90 M3: 11.2 126.7 with a 1.8 60ft Street Tires