When doing replacement or upgrading on 1984 – 2006 BMW 325e 325 325Ci 325es 325i 325is 325iX 325xi Convertible Sedan 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 1988 9006
1986 – 1987 H5006
High Beam Headlight 1988 9005
1986 – 1987 H5001
Front Fog Light 1986 – 1988 H3-55W
Back Up Light 1986 – 1988 1156
Brake 1986 – 1988 1156
Dome Light 1986 – 1988 578
Front Side Marker 1986 – 1988 12961
Front Turn Signal 1986 – 1988 P21/5W
License Plate 1986 – 1988 12844
Parking Light 1986 – 1988 1157
Rear Side Marker 1986 – 1987 12961
Rear Turn Signal 1986 – 1988 1156
Tail Light 1986 – 1987 12814
1988 12821
Center High Mount Stop Light 1986 – 1988 1156
Glove Box 1988 578
Trunk 1986 – 1988 DE3423
Low Beam Headlight 2001 – 2006 H7
High Beam Headlight 2001 – 2006 H7
Front Fog Light 2001 – 2006 9006
Back Up Light 2001 – 2006 1156
Brake 2001 – 2006 1156
Dome Light 2004 – 2006 194
2001 DE3423
Front Side Marker 2002 – 2006 12961
2001 P21/5W
License Plate 2001 – 2006 12844
Parking Light 2001 12961
2002 – 2006 194
Rear Side Marker 2001 – 2003 P21/4W
Rear Turn Signal 2004 – 2006 1156
Tail Light 2001 – 2006 P21/4W
Front Inner Turn Signal 2001 1156
Front Outer Turn Signal 2001 12961
Courtesy 2002 – 2006 6418
Glove Box 2001 – 2006 DE3423
Map Light 2004 – 2006 12961
Stepwell 2001 DE3423
Trunk 2001 – 2006 6411
Low Beam Headlight 2001 D2S
High Beam Headlight 2001 H7
High Beam and Low Beam Headlight 2002 – 2006 D2S
Front Fog Light 2001 – 2006 9006
Back Up Light 2001 – 2006 1156
Brake 2001 – 2006 1156
Daytime Running Light 2002 – 2006 H7
Dome Light 2004 – 2006 194
2001 DE3423
Front Side Marker 2002 – 2006 12961
2001 P21/5W
License Plate 2001 – 2006 12844
Parking Light 2001 12961
2002 – 2006 194
Rear Side Marker 2001 – 2003 P21/4W
Rear Turn Signal 2004 – 2006 1156
Tail Light 2001 – 2006 P21/4W
Front Inner Turn Signal 2001 P21W
Front Outer Turn Signal 2001 12961
Courtesy 2002 – 2006 6418
Glove Box 2001 – 2006 DE3423
Map Light 2004 – 2006 12961
Stepwell 2001 DE3423
Trunk 2001 – 2006 6411
Low Beam Headlight 1984 – 1987 H5006
High Beam Headlight 1984 – 1987 H5001
Front Fog Light 1986 – 1987 H3-55W
Back Up Light 1984 – 1987 1156
Brake 1984 – 1987 1156
Dome Light 1984 – 1987 578
Front Side Marker 1986 – 1987 12961
1984 – 1985 T4W
Front Turn Signal 1984 – 1987 P21/5W
License Plate 1984 – 1987 12844
Parking Light 1986 – 1987 1157
1984 – 1985 P21/5W
Rear Side Marker 1986 – 1987 12961
1984 – 1985 T4W
Rear Turn Signal 1984 – 1987 1156
Tail Light 1984 – 1987 12814
Center High Mount Stop Light 1986 – 1987 1156
Trunk 1984 – 1987 DE3423
Low Beam Headlight 1986 – 1987 H5006
High Beam Headlight 1986 – 1987 H5001
Front Fog Light 1986 – 1987 H3-55W
Back Up Light 1986 – 1987 1156
Brake 1986 – 1987 1156
Dome Light 1986 – 1987 578
Front Side Marker 1986 – 1987 12961
Front Turn Signal 1986 – 1987 P21/5W
License Plate 1986 – 1987 12844
Parking Light 1986 – 1987 1157
Rear Side Marker 1986 – 1987 12961
Rear Turn Signal 1986 – 1987 1156
Tail Light 1986 – 1987 12814
Center High Mount Stop Light 1986 – 1987 1156
Trunk 1986 – 1987 DE3423
Low Beam Headlight 1988 – 1989, 1993 – 1995 9006
1990 – 1991 H5006
High Beam Headlight 1988 – 1989, 1993 – 1995 9005
1990 – 1991 H5001
Front Fog Light 1993 – 1995 H1
1988 – 1991 H3-55W
Back Up Light 1988 – 1991, 1993 – 1995 1156
Brake 1988 – 1991, 1993 – 1994 1156
1995 1157
Dome Light 1988 – 1991, 1993 – 1994 578
1995 DE3423
Front Side Marker 1988 – 1991, 1995 12961
1993 – 1994 P21/5W
Front Turn Signal 1988 – 1991, 1993 – 1995 P21/5W
License Plate 1988 – 1991, 1993 – 1995 12844
Parking Light 1988 – 1991, 1993 – 1995 1157
Rear Side Marker 1993 – 1994 P21/4W
Rear Turn Signal 1988 – 1991, 1993 – 1995 1156
Tail Light 1995 1157
1988 – 1991, 1993 – 1994 12821
Center High Mount Stop Light 1988 – 1991, 1993 – 1995 1156
Engine Compartment Light 1993 – 1995 578
Glove Box 1988 – 1991 578
1993 – 1995 DE3423
Map Light 1995 6411
Trunk 1993 – 1994 6411
1988 – 1991, 1995 DE3423
Low Beam Headlight 2001 – 2006 H7
High Beam Headlight 2001 – 2006 H7
Front Fog Light 2001 9006
2006 H11
2002 – 2005 H8/H11/H16
Back Up Light 2001 – 2005 1156
2006 H21W
Brake 2001 – 2006 1156
Dome Light 2001 – 2006 DE3423
Front Side Marker 2002 – 2006 12961
2001 P21/5W
License Plate 2001 – 2006 12844
Parking Light 2001 12961
2002 – 2006 194
Rear Side Marker 2001 – 2005 P21/4W
Rear Turn Signal 2002 – 2003, 2005 – 2006 1156
2004 P21W
Tail Light 2006 1156
2001 – 2005 P21/4W
Front Inner Turn Signal 2001 1156
2002 – 2005 P21W
2006 PY21W
Front Outer Turn Signal 2001 – 2006 12961
Courtesy 2002 – 2006 6418
Glove Box 2001 – 2006 DE3423
Interior Door 2002 – 2006 194
Map Light 2002 – 2006 12961
Rear Reading Light 2002 – 2006 194
Stepwell 2002 – 2006 12961
2001 DE3423
Trunk 2001 – 2006 6411
Low Beam Headlight 2001 D2S
High Beam Headlight 2001 H7
High Beam and Low Beam Headlight 2006 D1S
2002 – 2005 D2S
Front Fog Light 2001 9006
2002 – 2006 H11
Back Up Light 2001 – 2005 1156
2006 H21W
Brake 2001 – 2006 1156
Daytime Running Light 2002 – 2006 H7
Dome Light 2001 – 2006 DE3423
Front Side Marker 2002 – 2006 12961
2001 P21/5W
License Plate 2001 – 2006 12844
Parking Light 2001 12961
2002 – 2006 194
Rear Side Marker 2001 – 2005 P21/4W
Rear Turn Signal 2002 – 2004, 2006 1156
2005 P21W
Tail Light 2006 1156
2001 – 2005 P21/4W
Front Inner Turn Signal 2001 – 2005 P21W
2006 PY21W
Front Outer Turn Signal 2001 – 2006 12961
Courtesy 2002 – 2006 6418
Glove Box 2001 – 2006 DE3423
Interior Door 2002 – 2006 194
Map Light 2002 – 2006 12961
Rear Reading Light 2002 – 2006 194
Stepwell 2002 – 2006 12961
2001 DE3423
Trunk 2001 – 2006 6411
Front Fog Light 2002 – 2005 H8/H11/H16
Back Up Light 2002 – 2005 1156
Brake 2002 – 2005 1156
Dome Light 2002 – 2005 DE3423
Front Side Marker 2002 – 2005 12961
License Plate 2002 – 2005 12844
Parking Light 2002 – 2005 194
Rear Side Marker 2002 – 2005 P21/4W
Rear Turn Signal 2002 – 2005 1156
Tail Light 2002 – 2005 P21/4W
Front Inner Turn Signal 2002 – 2005 P21W
Front Outer Turn Signal 2002 – 2005 12961
Courtesy 2002 – 2005 6418
Glove Box 2002 – 2005 DE3423
Interior Door 2002 – 2005 194
Map Light 2002 – 2005 12961
Rear Reading Light 2002 – 2005 194
Stepwell 2002 – 2005 12961
Trunk 2002 – 2005 6411
Low Beam Headlight 1992 9006
1987 H5006
High Beam Headlight 1992 9005
1987 H5001
Front Fog Light 1992 H1
1987 H3-55W
Back Up Light 1987, 1992 1156
Brake 1987, 1992 1156
Dome Light 1987, 1992 578
Front Side Marker 1987 12961
1992 P21/5W
Front Turn Signal 1987, 1992 P21/5W
License Plate 1987, 1992 12844
Parking Light 1987, 1992 1157
Rear Side Marker 1987 12961
1992 P21/4W
Rear Turn Signal 1987, 1992 1156
Tail Light 1987 12814
1992 12821
Center High Mount Stop Light 1987, 1992 1156
Engine Compartment Light 1992 578
Glove Box 1992 DE3423
Trunk 1987, 1992 DE3423
Low Beam Headlight 1987, 1992 H5006
High Beam Headlight 1987, 1992 H5001
Front Fog Light 1987, 1992 H3-55W
Back Up Light 1987, 1992 1156
Brake 1987, 1992 1156
Dome Light 1987, 1992 578
Front Side Marker 1987, 1992 12961
Front Turn Signal 1987, 1992 P21/5W
License Plate 1987, 1992 12844
Parking Light 1987, 1992 1157
Rear Side Marker 1987 12961
Rear Turn Signal 1987, 1992 1156
Tail Light 1987 12814
1992 12821
Center High Mount Stop Light 1992 1156
1987 921
Glove Box 1992 578
Trunk 1987, 1992 DE3423
Low Beam Headlight 1988 – 1989, 1992 – 1995 9006
1987, 1990 – 1991 H5006
High Beam Headlight 1988 – 1989, 1992 – 1995 9005
1987, 1990 – 1991 H5001
Front Fog Light 1992 – 1995 H1
1987 – 1991 H3-55W
Back Up Light 1987 – 1995 1156
Brake 1987 – 1994 1156
1995 1157
Dome Light 1987 – 1994 578
1995 DE3423
Front Side Marker 1987 – 1991, 1995 12961
1992 – 1994 P21/5W
Front Turn Signal 1987 – 1995 P21/5W
License Plate 1987 – 1995 12844
Parking Light 1987 – 1995 1157
Rear Side Marker 1987 12961
1992 – 1994 P21/4W
Rear Turn Signal 1987 – 1995 1156
Tail Light 1995 1157
1987 12814
1988 – 1994 12821
Center High Mount Stop Light 1987 – 1995 1156
Engine Compartment Light 1992 – 1995 578
Glove Box 1988 – 1991 578
1992 – 1995 DE3423
Map Light 1995 6411
Trunk 1993 – 1994 6411
1987 – 1992, 1995 DE3423
Low Beam Headlight 1988 – 1989 9006
1990 – 1991 H5006
High Beam Headlight 1988 – 1989 9005
1990 – 1991 H5001
Front Fog Light 1988 – 1991 H3-55W
Back Up Light 1988 – 1991 1156
Brake 1988 – 1991 1156
Dome Light 1988 – 1991 578
Front Side Marker 1988 – 1991 12961
Front Turn Signal 1988 – 1991 P21/5W
License Plate 1988 – 1991 12844
Parking Light 1988 – 1991 1157
Rear Turn Signal 1988 – 1991 1156
Tail Light 1988 – 1991 12821
Center High Mount Stop Light 1988 – 1991 1156
Glove Box 1988 – 1991 578
Trunk 1988 – 1991 DE3423
Low Beam Headlight 2001 – 2006 H7
High Beam Headlight 2001 – 2006 H7
Front Fog Light 2001 9006
2006 H11
2002 – 2005 H8/H11/H16
Back Up Light 2001 – 2005 1156
2006 H21W
Brake 2001 – 2006 1156
Dome Light 2001 – 2006 DE3423
Front Side Marker 2002 – 2006 12961
2001 P21/5W
License Plate 2001 – 2006 12844
Parking Light 2001 12961
2002 – 2006 194
Rear Side Marker 2001 – 2005 P21/4W
Rear Turn Signal 2002 – 2003, 2005 – 2006 1156
2004 P21W
Tail Light 2006 1156
2001 – 2005 P21/4W
Front Inner Turn Signal 2001 1156
2002 – 2005 P21W
2006 PY21W
Front Outer Turn Signal 2001 – 2006 12961
Courtesy 2002 – 2006 6418
Glove Box 2001 – 2006 DE3423
Interior Door 2002 – 2006 194
Map Light 2002 – 2006 12961
Rear Reading Light 2002 – 2006 194
Stepwell 2002 – 2006 12961
2001 DE3423
Trunk 2001 – 2006 6411
Low Beam Headlight 2001 D2S
High Beam Headlight 2001 H7
High Beam and Low Beam Headlight 2006 D1S
2002 – 2005 D2S
Front Fog Light 2001 9006
2002 – 2006 H11
Back Up Light 2001 – 2005 1156
2006 H21W
Brake 2001 – 2006 1156
Daytime Running Light 2002 – 2006 H7
Dome Light 2001 – 2006 DE3423
Front Side Marker 2002 – 2006 12961
2001 P21/5W
License Plate 2001 – 2006 12844
Parking Light 2001 12961
2002 – 2006 194
Rear Side Marker 2001 – 2005 P21/4W
Rear Turn Signal 2006 1156
2002 – 2005 P21W
Tail Light 2006 1156
2001 – 2005 P21/4W
Front Inner Turn Signal 2001 – 2005 P21W
2006 PY21W
Front Outer Turn Signal 2001 – 2006 12961
Courtesy 2002 – 2006 6418
Glove Box 2001 – 2006 DE3423
Interior Door 2002 – 2006 194
Map Light 2002 – 2006 12961
Rear Reading Light 2002 – 2006 194
Stepwell 2002 – 2006 12961
2001 DE3423
Trunk 2001 – 2006 6411
Front Fog Light 2002 – 2005 H8/H11/H16
Back Up Light 2002 – 2005 1156
Brake 2002 – 2005 1156
Dome Light 2002 – 2005 DE3423
Front Side Marker 2002 – 2005 12961
License Plate 2002 – 2005 12844
Parking Light 2002 – 2005 194
Rear Side Marker 2002 – 2005 P21/4W
Rear Turn Signal 2002 – 2003, 2005 1156
2004 P21W
Tail Light 2002 – 2005 P21/4W
Front Inner Turn Signal 2002 – 2005 P21W
Front Outer Turn Signal 2002 – 2005 12961
Courtesy 2002 – 2005 6418
Glove Box 2002 – 2005 DE3423
Interior Door 2002 – 2005 194
Map Light 2002 – 2005 12961
Rear Reading Light 2002 – 2005 194
Stepwell 2002 – 2005 12961
Trunk 2002 – 2005 6411