Sumpgasket, along with shells id recomend anyone with a 100k m3 to pull vanos and check wear on vanos oil pump disc, and possible breaks/cracks on exhaust hub tabs. Cam bolts are known to sheer also. Again at same time would check upper chain guide, always wear and can break, poor design! If you done all that, have good comp readings and do rod bearings, youd be all set !