the car is leaking oil in the front of the motor what could it be

where could

on 1998 BMW 740iL

where is it leaking from

Asked by for the 1998 BMW 740iL
There are so many places on this motor and so many types of oil, really need to put the car up on a rack, take off the belly pan and dig in to find the source of the leak.

here are some shops:
thank you i will do that