Here is a quick video of of my install of a PCV valve/purge control valve/fuel tank evap valve. Unsure why it has multiple names. This is a simple install. see below a list of vehicles this part can be used on FROM 19982006. Have fun! BUY PARTS LINKS BELOW
BUY PURGE CONTROL VALVE HEREhttp://amzn.to/2gTzwlI
BUY HERE OBDII READER http://amzn.to/2unuDV2

Vehicle Applications:
2006 X5 3.0i X5; 3.0L
2005 X5 3.0i X5; 3.0L
2005 Z4 2.5i Z4
2005 Z4 3.0i Z4
2004 X5 3.0i X5; 3.0L
2004 Z4 2.5i Z4
2004 Z4 3.0i Z4
2003 525i Base 525i, 530i
2003 530i Base 525i, 530i
2003 540i Base 540i
2003 X5 3.0i X5
2003 X5 4.4i X5
2003 X5 4.6is X5
2003 Z4 2.5i Z4
2003 Z4 3.0i Z4
2002 525i Base 525i, 530i
2002 530i Base 525i, 530i
2002 540i Base 540i
2002 X5 3.0i X5
2002 X5 4.4i X5
2002 X5 4.6is X5
2002 Z3 Coupe Z3
2002 Z3 Roadster Z3
2001 525i Base 525i, 530i
2001 530i Base 525i, 530i
2001 540i Base 540i
2001 740i Base All Models
2001 740iL Base All Models
2001 750iL Base All Models
2001 X5 3.0i X5
2001 X5 4.4i X5
2001 Z3 Coupe Z3
2001 Z3 Roadster Z3
2000 528i Base 528i
2000 540i Base 540i
2000 740i Base All Models
2000 740iL Base All Models
2000 750iL Base All Models
2000 X5 4.4i X5
2000 Z3 Coupe Z3
2000 Z3 Roadster Z3
1999 528i Base 528i
1999 540i Base 540i
1999 740i Base All Models
1999 740iL Base All Models
1999 750iL Base All Models
1999 Z3 Coupe Z3
1999 Z3 Roadster Z3
1998 740i Base All Models
1998 740iL Base All Models
1998 750iL Base All Models