[Biturbos4] considering '01 S4 avant

[Keith Lawyer]

The wife drove it, loved it of course.  73k miles.  They're asking just under $22k
 
Wife says  Audi's VIN is WAUXD68D11A124624  I have the original window sticker and it sold for $43,925.  It a 2.7 liter 250 hp V6 biturbo
 
I barely understood the I5 10V, and I know nothing of the bi-turbos.  Things to look for, watch out for?
 
How is turbo longevity?  One rumor says the turbos are only good for 100k miles.
 
Thanks for any input
Keith L