This is a CD ROM system for the BMW 525i  model years 2001 through 2002.  It will not work with BMW vehicles that have a DVD ROM

Disc # 1      HI, CA, NV, WA, OR
Disc # 2      MT, ID, WY, UT, AZ, CO, NM, ND, SD, NE
Disc # 3     TX, OK, AR, LA
Disc # 4     MN, IA, KS, MO, WI, IL
Disc # 5     MS, AL, GA, FL
Disc # 6     MI, IN, OH, KY, TN
Disc # 7     WV, VA, NC, SC
Disc # 8     NY, PA, NJ, DE, MD, DC
Disc # 9     ME, VT, NH, MA, CT, RI
Disc # 10    Alaska and Canada