i am trading for a 1998 audi a4, v6 w/ 118k miles tomorrow. The owner says the car needs the following:

1.) Bad muffler...never noticed, but thats what they said[/align]2.) Bad catylytic converter(s) It was originally one 3 months ago, could be more by now. The car has (i think) 4[/align]3.) Needs 4 new o2 sensors[/align]4.) Needs new steering pump[/align]5.)Has a problem with camshaft timing. Don't know exactly what it is, but was told that there was a camshaft tensioner[/align][/align]I have never owned an audi, much less even rode in one!!! need a lil help on what year and models are interchangeable and WTB the stock parts to repair the car if anyone has what i need.[/align][/align]thanks for the help[/align]justin[/align]