This is a video showing you how to use launch control on a 335is with DCT. This is basically a three (3) step process.
HOW TO LAUNCH A BMW 335i
1. Engage Sport (button)
2. Traction control off (single press)
3. Gear selector in M sport with M1 selected
4. Brake left foot
5. Accelerator pedal to the floor with right (passed the kick down switch)
6. Flag should appear
7. Release brake to launch.
