You receive software disk, hardware cable and adapter plug. The soft ware is loaded onto a laptop and pluged into your car. The software does not like newer windows. On utube look up PA 140 bmw. There are several vids on using and installing. This is the one i bought Scanner V1 4 0 Programmer Never Locking for BMW 3 5 7 Series x3 x5 SUV Z4 | eBay

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2009 CLS550
2005 X5
2004 ML350
2002 X5
1998 323ic (sold)
1996 S320 (sold)
1991 190 (sold)
1989 300SE (sold)
1984 SD (sold)
1984 300D (sold)