How does one get an Audi (S4) to be certified pre-owned?

Say, I bought a used (B5) S4 which was not certified with about 48K miles on it. Is there a way to get that Audi certified with the 100Kmile/2yr warranty?
Please let me know, thanks.

 

Only if you sell it to the dealership and then buy it back. Usually if the previous owner is the same as the current owner before and after the certification theyll catch it and reject the warranty claim.

 

Hmm... alright thanks for the info. I guess I'll have to get it CPO before I buy it if I want to the warranty.