Longevity tips

Have a n54 with 140k miles and i’m looking to make it last as long as i can and looking for input on longevity, the maintenance i have done so far is

Oil pan gasket. Oil filter housing gasket. Radiator. Intake manifold. Vanos solenoids. Valve cover gasket. oil catch can FTP upgraded pcv fan blower charge pipe and bov walnut blasted around 4 months ago water pump changed thermostat Trans about to be serviced mickey mouse flange replaced pretty much every coolant hose might be missing other things all on stage 2 looking to go 2+ soon