[Panzer909]

Okay. Before I get slammed for defending the "S", I'm gonna come out and say that there is pretty much ONE area to have serviced intervals over the standard N/A. This is the cam tensioner. I've heard about a 50/50 argument that you should:

1. Just replace the tensioner pad (a cheap and easy fix), or


2. Replace the entire unit for a couple hundred bucks.


Either way, the official service interval is 90,000 to adress this. I asked the head tech at my local P-car dealer once. And be religious about timing belt tension. Other than that, the same usual 944 issues apply. You will hear people whine that "944S heads are too fragile" (what the hell does this mean?) and "944S cars are WAY more finicky and not worth all of the trouble" and so on and so forth. Whatever.

So to finally answer your question, see when the tensioner was last replaced. If they cannot tell you, get it done and you'll be set. That's it! As far as mods and such goes, mine is bone stock so I couldn't give ya an accurate answer.