Has anyone tried putting the Powered Up system in the Christmas train? Just wondering if anyone has taken the powered-up ("Power Functions 2.0") Bluetooth system out of the Cargo Train 60198 or Passenger Train 60197 sets and put it in the Winter Holiday Train set 10254?
Haven't done the 10254 yet with powered up, but have converted several other trains... The train motors have the exact same dimensions and the powered-up smart hub has the same dimensions as the battery box of the power functions system.
What's different is that you don't need the space for the IR receiver and that the motor is immediately connected to the hub rather than the receiver.

What will differ is the following steps from the instruction manual:

Those steps make room for the IR-receiver which isn't necessary now..., for the rest you can follow the instructions exactly...