Looks like a clean car. Without seeing the carfax etc I would say $57 for an '11 with just over 4k miles is a pretty good deal.
Edit: Hold on, just noticed "Lemon & Manufacturer Buyback" under the vehicle title description. Definitely need more info on what that means!!
2011 Space Grey E90 M3, DCT, Comp. Pkg.
1997 Z3 2.8, Artic Silver, Tanin Red interior, MT
1974 2002tii, Inka, MT