In Feb. '09 my '00 S with 38k mi. leaked on both sides when I returned home from skiing and letting it sit in sub zero temps. for a week. It was what the dealer (Scholfield Porsche-Benz-Jag) called the "cam tower seals" (?). They had given me a nice short-term, but all-inclusive wtty. when purchasing the car. They ended up having it for two weeks. They replaced everything, tubes, o-rings, cam seals, every single bolt. The itemized print out they gave me upon completion of all this was over 2 1/2 pages long! Plus they gave me a new Benz as a loaner and the Box was just a third/toy car for us. ...... Anyway, to answer your dropping the engine question. I asked the dealer the same question and his reply was that they did everything from underneath, but it was very tedious. I've seen a write-up either on Pedro's site or one similar on how to tighten all the cam tower bolts to stop leaks. I'll go look for it now.....
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