When doing replacement or upgrading on 1988 – 2015 BMW 750iL 750i 750Li xDrive Adaptive capsule halogen headlamps HID with, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight 2006 – 2008 D1S
High Beam Headlight 2006 – 2008 H7
Front Fog Light 2006 – 2008 9006
Back Up Light 2006 – 2008 921
Brake 2006 – 2008 1156
Dome Light 2006 – 2008 194
License Plate 2006 – 2008 12961
Parking Light 2006 – 2008 3357NA
Rear Turn Signal 2006 – 2008 PY21W
Front Inner Turn Signal 2006 – 2008 3457NA
Front Outer Turn Signal 2006 – 2008 12396NA
Courtesy 2006 – 2008 6418
Interior Door 2006 – 2008 194
Map Light 2006 – 2008 12961
Rear Reading Light 2006 – 2008 194
Stepwell 2006 – 2008 12961
Trunk 2006 – 2008 578
High Beam and Low Beam Headlight 2009 – 2012 D1S
Front Fog Light 2009 – 2012 H8
Back Up Light 2009 – 2015 921
Brake 2009 – 2015 H21W
Daytime Running Light 2009 – 2012 H8
Dome Light 2009 – 2015 194
Courtesy 2009 – 2012 12961
Interior Door 2013 – 2015 194
Map Light 2013 – 2015 12961
2009 – 2012 194
Stepwell 2013 – 2015 12961
Trunk 2009 – 2015 6411
High Beam and Low Beam Headlight 2013 – 2015 D1S
Back Up Light 2013 – 2015 921
Dome Light 2013 – 2015 194
Interior Door 2013 – 2015 194
Map Light 2013 – 2015 12961
Stepwell 2013 – 2015 12961
Trunk 2013 – 2015 6411
High Beam and Low Beam Headlight 2010 – 2012 D1S
Front Fog Light 2010 – 2012 H8
Back Up Light 2010 – 2015 921
Brake 2010 – 2015 H21W
Daytime Running Light 2010 – 2012 H8
Dome Light 2010 – 2015 194
Courtesy 2010 – 2012 12961
Interior Door 2013 – 2015 194
Map Light 2013 – 2015 12961
2010 – 2012 194
Stepwell 2013 – 2015 12961
Trunk 2010 – 2015 6411
High Beam and Low Beam Headlight 2013 – 2015 D1S
Back Up Light 2013 – 2015 921
Dome Light 2013 – 2015 194
Interior Door 2013 – 2015 194
Map Light 2013 – 2015 12961
Stepwell 2013 – 2015 12961
Trunk 2013 – 2015 6411
Low Beam Headlight 1988 – 1992 9006
High Beam Headlight 1988 – 1992 9005
Front Fog Light 1988 – 1992 H1
Back Up Light 1988 – 1992 1156
Brake 1988 – 1992 1156
Front Side Marker 1988 – 1992 12961
Front Turn Signal 1988 – 1992 P21/5W
License Plate 1988 – 1992 12844
Parking Light 1988 – 1992 1157
Rear Side Marker 1988 – 1992 12961
Rear Turn Signal 1988 – 1989, 1991 – 1992 1156
1990 P21W
Tail Light 1988 – 1992 12821
Center High Mount Stop Light 1988 – 1992 1156
Engine Compartment Light 1988 – 1992 578
Trunk 1988 – 1992 6411
Low Beam Headlight 1993 – 2001 D2S
High Beam Headlight 1993 – 1994 9005
1999 – 2001 H1
1995 – 1998 H7
Front Fog Light 1993 – 1994 H1
1995 – 2001 H3-55W
Back Up Light 1993 – 2001 1156
Brake 1993 – 1998 1156
1999 – 2001 1157
Dome Light 1995 – 1998 6411
Front Side Marker 1993 – 1994 12961
1999 – 2001 2357
1995 – 1998 P21/5W
Front Turn Signal 1993 – 1998 P21/5W
License Plate 1993 – 2001 12844
Parking Light 1993 – 1998 1157
1999 – 2001 2357
Rear Side Marker 1999 – 2001 1157
1995 – 1998 12821
1993 – 1994 12961
Rear Turn Signal 1993 – 1998 1156
1999 – 2001 PY21W
Tail Light 1999 – 2001 1157
1993 – 1998 12821
Front Inner Turn Signal 1999 – 2001 2357
Front Outer Turn Signal 1999 – 2001 12396NA
Center High Mount Stop Light 1993 – 2001 1156
Courtesy 1999 – 2001 6411
Engine Compartment Light 1993 – 1994 578
Glove Box 1995 – 2001 DE3423
Interior Door 1999 – 2001 194
Stepwell 1999 – 2001 12844
Trunk 1993 – 2001 6411
Low Beam Headlight 1993 – 1994 9006
1995 – 1998 H1
1999 – 2001 H7
High Beam Headlight 1993 – 1994 9005
1999 – 2001 H1
1995 – 1998 H7
Front Fog Light 1993 – 1994 9006
1995 – 2001 H3-55W
Back Up Light 1993 – 2001 1156
Brake 1993 – 1998 1156
1999 – 2001 1157
Dome Light 1995 – 1998 578
Front Side Marker 1993 – 1994 12961
1999 – 2001 2357
1995 – 1998 P21/5W
Front Turn Signal 1993 – 1998 P21/5W
License Plate 1993 – 2001 12844
Parking Light 1993 – 1998 1157
1999 – 2001 2357
Rear Side Marker 1999 – 2001 1157
1995 – 1998 12821
1993 – 1994 12961
Rear Turn Signal 1993 – 1998 1156
1999 – 2001 PY21W
Tail Light 1999 – 2001 1157
1993 – 1998 12821
Front Inner Turn Signal 1999 – 2001 2357
Front Outer Turn Signal 1999 – 2001 12396NA
Center High Mount Stop Light 1993 – 2001 1156
Courtesy 1999 – 2001 6411
Engine Compartment Light 1993 – 1994 578
Glove Box 1995 – 2001 DE3423
Interior Door 1999 – 2001 194
Stepwell 1999 – 2001 12844
Trunk 1993 – 2001 6411
Low Beam Headlight 2006 – 2008 D1S
High Beam Headlight 2006 – 2008 H7
Front Fog Light 2006 – 2008 9006
Back Up Light 2006 – 2008 921
Brake 2006 – 2008 1156
Dome Light 2006 – 2008 194
License Plate 2006 – 2008 12961
Parking Light 2006 – 2008 3357NA
Rear Turn Signal 2006 – 2008 PY21W
Front Inner Turn Signal 2006 – 2008 3457NA
Front Outer Turn Signal 2006 – 2008 12396NA
Courtesy 2006 – 2008 6418
Interior Door 2006 – 2008 194
Map Light 2006 – 2008 12961
Rear Reading Light 2006 – 2008 194
Stepwell 2006 – 2008 12961
Trunk 2006 – 2008 578
High Beam and Low Beam Headlight 2009 – 2012 D1S
Front Fog Light 2009 – 2012 H8
Back Up Light 2009 – 2015 921
Brake 2009 – 2015 H21W
Daytime Running Light 2009 – 2012 H8
Dome Light 2009 – 2015 194
Courtesy 2009 – 2012 12961
Interior Door 2013 – 2015 194
Map Light 2013 – 2015 12961
2009 – 2012 194
Stepwell 2013 – 2015 12961
Trunk 2009 – 2015 6411
High Beam and Low Beam Headlight 2013 – 2015 D1S
Back Up Light 2013 – 2015 921
Dome Light 2013 – 2015 194
Interior Door 2013 – 2015 194
Map Light 2013 – 2015 12961
Stepwell 2013 – 2015 12961
Trunk 2013 – 2015 6411
High Beam and Low Beam Headlight 2010 – 2012 D1S
Front Fog Light 2010 – 2012 H8
Back Up Light 2010 – 2015 921
Brake 2010 – 2015 H21W
Daytime Running Light 2010 – 2012 H8
Dome Light 2010 – 2015 194
Courtesy 2010 – 2012 12961
Interior Door 2013 – 2015 194
Map Light 2013 – 2015 12961
2010 – 2012 194
Stepwell 2013 – 2015 12961
Trunk 2010 – 2015 6411
High Beam and Low Beam Headlight 2013 – 2015 D1S
Back Up Light 2013 – 2015 921
Dome Light 2013 – 2015 194
Interior Door 2013 – 2015 194
Map Light 2013 – 2015 12961
Stepwell 2013 – 2015 12961
Trunk 2013 – 2015 6411