here is what one guy said, and others agreed that it work so you could try it.
"PB files version (v2.292 l A1386) http://www.4shared.com/get/Vyif5uiX/pb_online.html
1 - Uninstall punkbuster by this software http://www.evenbalance.com/downloads/pbsvc/pbsvc.exe
2 - get your friends PB files.
3 - put em in your bf3 folder.. mine is.. (C:\Origin Games\Battlefield 3\PB)
4)-Re-install punkbuster from here http://www.evenbalance.com/downloads/pbsvc/pbsvc.exe
the version you want is (v2.292 l A1386)"