The solution image 3

The good thing about oil leaks is that they can be repaired. The changing of most seals, gaskets and o’rings will resolve this. It can be costly to do it all at once so it’s best to do it in stages as the leaks occur.

E60&E65

You need to know when you have replaced it and keep a record of it. This part has no exact expiration date and there is no warning when the bottle cracks.
When it will happen is unknown, so prevention is better than cure.