Just charge the 25e using the supplied 3pin fast charger, I’ve fitted it outside using the BMW mounting bracket and a holder for the socket so it’s super easy to unplug from that into the car. Not the fastest but as it’s overnight and it’s VERY rare faster offers any benefit to her usage.
The 25/30e are very slow charging for only moderate range so a fast charger is a bit of a waste.
This was the holder, fed the cable through the back for extra security of the chargers with a few other clips. >
GRAFT type 2 EV Charger Cable Organizer