mikeyj 
2001 BMW Z3 Convertible 2.5i 2dr Roadster (2.5L 6cyl 5M)
4mike
 I purchased a "certified preowned" Z3 
with 100K extended warrenty.  Although 
I paid more, the peace of mind with the 
extended warrentey provided peace of 
mind.  the car is fun to drive and plan 
to keep it a long time.  I am very 
satisfied with my purchase.