I would like to recommend new BmW owners the following most import thing
Change gearbox atf at 40000km despite their claim of lifetime. V Expensive to change gearbox. When jerky and spoilt.
Do walnut blasting at 50000km if this is a direct cylinder injection engine. Gunk.
Check for Pcv valve and hose leaks as these can also cause high pressure in crankcase leading to oil leaks. High oil loss. Aside from the usually gasket leaks such as the valve cover or oil filter housing areas around 40000-50000km.
Valve seals perhaps at 120,000km
The rest are the usual control arms and suspension and engine mounts if you are sensitive enough to notice.