928 S4 V8-4957cc 5.0L (1987)
M 20 X 1.5 50 Nm. (38 ft. lbs.)
5. Lubricate gasket on oil filter slightly, install by hand until gasket contacts surface and then tighten one more turn
6. Add engine oil, run engine to operating temperature and check for leaks.
7. Check oil level on stopped engine.