Thanks bro. The shop was able to change it in 3 hours which kinda amazed me a bit.
What had happened:
I had previously installed a Meyle PS pump as a pre emtive strike. Bad idea.
The problem I now had is: this spline axle or P/S coupling had stripped on the engine side.
I suspect the reason is this:
The Meyle pump was intact but it was soooo damn hard to turn by hand. The oem was way easier. Imagine it at 700rpm and at 130bar. That shit is not good. I hope the oem would work, and that the engine side of the equasion isn’t cooked.
MOT inspection (katsastus) once more flying colors and a friendly engineer said he enjoys the v10 in comparison to all the elextric bs lol