I remixed the best Y-Splitter for Bambu to fit it to my needs. Maybe someone else want a similar solution.
I changed the screw holes to move the splitter more away from the edge, that I can fit the sidespool holder.
I only mixed the Version with M10 connector and angle.
You need:
If you need the screws also for a sideload for the PTFE Tube, look to my combined item: