i am FBO running my 335is without problem also after i installed Meth no problem so far with the DCT transmission so far no slip run 2 weeks ago 119 trap just to let you know guys.
My older 335 was manual but so far i don't regret it.
15 Audi S5 GIAC Stage 2 white
11 E92 335is DCT FBO 441 whp silver
08 E92 335i FBO 6MT 427 whp space grey
05 E46 M3 red