Found a nice, tidy s4 cab manual with 99k miles on it.

Will need to find out a bit more about it and will take for a test drive.

Looks like a great price at 4K and I am friendly with the people selling, so wont get stung.

What should I be wary of with these cars at this age/mileage?

I will be checking the roof fully
Know about possible rusty arches and suspension turrets
Chain tensioner noise that doesn't drop away after 1 second on cold start

Someone has suggested that the flywheel will need replacing around 100K (if not already been done)

Any other advice/things to be wary of?