Originally Posted by WildBee659
For now the car's oil temp seems to run a bit cooler than normal on "D" and on "DS" is at the normal temp of just under 250* when playing around.
Steptronic trans uses torque converter slip as part of DSC intervention. That generates extra heat in the transmission that gets transferred to the engine cooling system. Guys that track their auto 335i have noticed this. Turning DSC off might help. Yet another reason the ATF should get changed regularly.