Can someone tell me if changing this lines at 114k it's a good idea?
Im removing the manifold for other maintenance items, and I was wondering if I should do those too.

If so, can you please tell me how are those called?
I searched for coolant hoses, but cant find them.

05 X5 3.0i

Thank you !!

https://youtu.be/UCtmBVC_kSg