Originally Posted by GeeRam
Info I've read says the DCT is rated at 600Nm whereas the 6MT is only rated at 430Nm.
I know of a 135i in the UK where the gearbox gave up after 50k miles behind a remapped N55.
It's the reason BMW don't offer the manual trans bolted to the back of the 335d.
600Nm = 440lb/ft torque, which seem to be inline with what cooler said.
Not sure about the manual rating, 430Nm seems very close to the base engine spec of 400Nm torque.