So now we have update #5. The oil leak is still present after I sealed up the CPS mount bolt. At this point I guess its either the crankshaft seal, the timing cover seals or the oil pan seal. Bummer I'll see if I can tighten the bolts on the timing cover, but something tells me that won't help too much. How common is it for the crankshaft seal to leak on the M30 engines?