WARNING: This page is about a different car, the 2003 BMW Z8, 2002 BMW Z8, 2001 BMW Z8, and 2000 BMW Z8. However, it is still accessible from the selected car via links, so may be relevant.
OIL SUPPLY E52 / S62 SPECIFICATIONS
Oil grade, refer to BMW Service Operating Fluids
Oil consumption, refer to BMW Service Operating Fluids