Power steering pump
I replaced my pump because of noise but it wasn't the pump.
So now I have 2 pumps and one has to go.
It works fine and local pick up please.
I think it is LF30 but do your own research.
It came out from 1999 323i.
OEM xenon retrofit, Auto light/rain sensor DIY, OEM fog DIY,..........so many things DIY since 2000 :)