Hi, I bought my 1999 996 in september. It has 100000 miles on it and it is in quite good general condition. However I don't have much history. So this winter I took out the engine and tranny to do many things including the famous IMS bearing. I wanted to know if at the factory Porsche was puting silicone on the IMS cover (see photo with arrows)?

I would like to know if the IMS bearing has been changed before it could mean the p.o. was taking care of his car.
Before I cleaned that area it looked like this :

Was it because the RMS leak?