I traded my E60 M5 for an AUDI. F the Audi S4 sold mine after 3 months of ownership. If you like your M you will hate the AUDI trust me. I own a new loaded out ZCP M3. Hands down its a better car.
Here is my AUDI Its up for sale. I guess the BMW dealer sold it to another dealer to sell
http://www.ecarlink.com/web/used/Aud...as-TX/1580982/