Voltage Regulator (Bosch Alternator) - 12311747920 - E34, E36, E36 M3

This part is listed by BMW as BMW part number 12311747920 (12 31 1 747 920) and is described as Voltage Regulator (for 80A & 140A Bosch Alternator), used on E36 325i, 325is, 328i, 328is, M3 (1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999), E34 525i, 530i, 540i (1991, 1992, 1993, 1994, 1995), E32 740i/740iL (1992, 1993, 1994), and E31 840i (1991, 1992, 1993, 1994). 

For Bosch alternator only. 

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.

BMW Fitments:

3 Series
E36 (92-99) > 323ic
E36 (92-99) > 323is
E36 (92-99) > 325i
E36 (92-99) > 325ic
E36 (92-99) > 325is
E36 (92-99) > 328i
E36 (92-99) > 328ic
E36 (92-99) > M3 (1995)
E36 (92-99) > M3 (96-99)
5 Series
E34 (89-95) > 525i M50
E34 (89-95) > 530i
E34 (89-95) > 540i