Quote Originally Posted by 318 iS Cosmos View Post
Tensioners can weep oil alright, did you check the timing chain for any slack? To be honest, these cars are well known for oil leaks around the rocker cover & oil filter housing but you should be able to see these from the top of the engine.
That's a weird design, is the tensioner in an oil passage on these? Figured it would have have been behind a sealed timing cover.

I would have thought:
1. Rocker cover gasket
2. Oil filter housing gasket
3. Rear main oil seal
4. Front main oil seal
5. Sump gasket.