When doing replacement or upgrading on 1979 – 2016 BMW 528i 528e 528xi 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 1982 – 1988 H5006
High Beam Headlight 1982 – 1988 H5001
Front Fog Light 1986 – 1988 H1
Back Up Light 1982 – 1988 1156
Brake 1982 – 1988 1156
Dome Light 1986 – 1988 578
1982 – 1985 6411
Front Turn Signal 1982 – 1985 1157
1986 – 1988 P21/5W
License Plate 1986 – 1988 12844
1982 – 1985 6418
Parking Light 1982 – 1988 1157
Rear Turn Signal 1982 – 1988 1156
Tail Light 1982 – 1988 12821
Center High Mount Stop Light 1986 – 1988 1156
Glove Box 1986 – 1988 12929
Trunk 1986 – 1988 DE3423
Low Beam Headlight 1979 – 1981 H5006
High Beam Headlight 1979 – 1981 H5001
Back Up Light 1979 – 1981 1156
Brake 1979 1156
1980 – 1981 1157
Dome Light 1979 – 1981 578
Front Side Marker 1979 – 1981 T4W
Front Turn Signal 1979 – 1981 P21/5W
License Plate 1979 – 1981 12844
Parking Light 1979 – 1981 P21/5W
Rear Side Marker 1979 12929
1980 – 1981 T4W
Rear Turn Signal 1979 – 1981 1156
Tail Light 1980 – 1981 1157
1979 12814
Engine Compartment Light 1979 DE3423
Glove Box 1979 12929
Low Beam Headlight 1997 – 2000, 2008 – 2010 H7
High Beam Headlight 1997 – 2000 9005
2008 – 2010 H7
Front Fog Light 1997 – 2000 H7
2008 – 2010 H8
Back Up Light 1997 – 2000 1156
2008 – 2010 921
Brake 1997 – 2000, 2008 – 2010 1156
Dome Light 2008 – 2010 194
1997 – 2000 6411
Front Side Marker 1997 – 2000 3157
Front Turn Signal 2008 – 2010 3457NA
License Plate 1997 – 2000, 2008 – 2010 12844
Parking Light 1997 – 2000 3157
2008 – 2010 3357NA
Rear Side Marker 1997 – 2000 12821
Rear Turn Signal 1997 – 2000 1156
Tail Light 1997 – 2000 12821
Front Inner Turn Signal 1997 – 2000 3157
Front Outer Turn Signal 1997 – 2000 12961
Center High Mount Stop Light 1997 – 2000 1156
Glove Box 1997 – 2000, 2008 – 2010 DE3423
Map Light 2008 – 2010 12961
Rear Reading Light 2008 – 2010 194
Stepwell 2008 – 2010 12844
1997 – 2000 DE3423
Trunk 1997 – 2000, 2008 – 2010 6411
Low Beam Headlight 1997 – 2000 D2S
High Beam Headlight 1997 – 2000 9005
High Beam and Low Beam Headlight 2008 – 2010, 2014 – 2016 D1S
Front Fog Light 1997 – 2000 H7
2008 – 2010 H8
Back Up Light 1997 – 2000 1156
2008 – 2010, 2014 – 2016 921
Brake 1997 – 2000, 2008 – 2010 1156
Daytime Running Light 2008 – 2010 H8
Dome Light 2008 – 2010, 2014 – 2016 194
1997 – 2000 6411
Front Side Marker 1997 – 2000 3157
Front Turn Signal 2008 – 2010 3457NA
2014 – 2016 PY24NA
License Plate 1997 – 2000, 2008 – 2010 12844
Parking Light 1997 – 2000 3157
2008 – 2010 3357NA
Rear Side Marker 1997 – 2000 12821
Rear Turn Signal 1997 – 2000 1156
Tail Light 1997 – 2000 12821
Front Inner Turn Signal 1997 – 2000 3157
Front Outer Turn Signal 1997 – 2000 12961
Center High Mount Stop Light 1997 – 2000 1156
Glove Box 1997 – 2000, 2008 – 2010 DE3423
Interior Door 2014 – 2016 194
Map Light 2008 – 2010, 2014 – 2016 12961
Rear Reading Light 2008 – 2010 194
Stepwell 2008 – 2010 12844
1997 – 2000 DE3423
Trunk 1997 – 2000, 2008 – 2010, 2014 – 2016 6411
High Beam and Low Beam Headlight 2011 – 2013 D1S
Front Fog Light 2011 – 2013 H8
Back Up Light 2011 – 2016 921
Brake 2011 – 2016 H21W
Dome Light 2011 – 2016 194
Front Turn Signal 2011 – 2013 PY24NA
Interior Door 2011 – 2016 194
Map Light 2011 – 2016 12961
Trunk 2011 – 2016 6411
Low Beam Headlight 2009 – 2010 H7
High Beam Headlight 2009 – 2010 H7
Front Fog Light 2009 – 2010 H8
Back Up Light 2009 – 2010 921
Brake 2009 – 2010 1156
Dome Light 2009 – 2010 194
Front Turn Signal 2009 – 2010 3457NA
License Plate 2009 – 2010 12844
Parking Light 2009 – 2010 3357NA
Glove Box 2009 – 2010 DE3423
Map Light 2009 – 2010 12961
Rear Reading Light 2009 – 2010 194
Stepwell 2009 – 2010 12844
Trunk 2009 – 2010 6411
High Beam and Low Beam Headlight 2009 – 2010, 2014 – 2016 D1S
Front Fog Light 2009 – 2010 H8
Back Up Light 2009 – 2010, 2014 – 2016 921
Brake 2009 – 2010 1156
Daytime Running Light 2009 – 2010 H8
Dome Light 2009 – 2010, 2014 – 2016 194
Front Turn Signal 2009 – 2010 3457NA
2014 – 2016 PY24NA
License Plate 2009 – 2010 12844
Parking Light 2009 – 2010 3357NA
Glove Box 2009 – 2010 DE3423
Interior Door 2014 – 2016 194
Map Light 2009 – 2010, 2014 – 2016 12961
Rear Reading Light 2009 – 2010 194
Stepwell 2009 – 2010 12844
Trunk 2009 – 2010, 2014 – 2016 6411
High Beam and Low Beam Headlight 2012 – 2013 D1S
Front Fog Light 2012 – 2013 H8
Back Up Light 2012 – 2016 921
Brake 2012 – 2016 H21W
Dome Light 2012 – 2016 194
Front Turn Signal 2012 – 2013 PY24NA
Interior Door 2012 – 2016 194
Map Light 2012 – 2016 12961
Trunk 2012 – 2016 6411
Low Beam Headlight 2008 H7
High Beam Headlight 2008 H7
Front Fog Light 2008 H8
Back Up Light 2008 921
Brake 2008 1156
Dome Light 2008 194
Front Turn Signal 2008 3457NA
License Plate 2008 12844
Parking Light 2008 3357NA
Glove Box 2008 DE3423
Map Light 2008 12961
Rear Reading Light 2008 194
Stepwell 2008 12844
Trunk 2008 6411
High Beam and Low Beam Headlight 2008 D1S
Front Fog Light 2008 H8
Back Up Light 2008 921
Brake 2008 1156
Daytime Running Light 2008 H8
Dome Light 2008 194
Front Turn Signal 2008 3457NA
License Plate 2008 12844
Parking Light 2008 3357NA
Glove Box 2008 DE3423
Map Light 2008 12961
Rear Reading Light 2008 194
Stepwell 2008 12844
Trunk 2008 6411