BMW diagram reference
Alternator, individual parts for BMW 3 Series E21 316 (1980)
Use this BMW diagram reference when you know the component location or position number and need to identify the OEM part number, quantity, and notes.
Diagram reference
Use the position table
This page does not display a diagram image while image-source permission is unverified. Use the position numbers and part table to identify candidate BMW part numbers.
| No. | Part number | Description | Qty | Notes |
|---|---|---|---|---|
| -- | 12311277223 | Alternator | X | ENDED |
| i | 0120489039 | |||
| 01 | 07119901309 | Hex nut | 1 | |
| 02 | 07119933148 | Spring washer | 1 | |
| 03 | 12311273141 | Pulley | 1 | ENDED |
| 04 | 12311350199 | Fan wheel | 1 | |
| 05 | 07119951453 | Woodruff key | 1 | |
| 06 | 12311356057 | Housing assy front | 1 | ENDED |
| 07 | 12311279596 | Housing assy rear | 1 | ENDED |
| 08 | 12311279594 | Stator assy | 1 | ENDED |
| 09 | 12311279597 | Diode assy | 1 | ENDED |
| 10 | 12311279593 | Rotor | 1 | ENDED |
| 11 | 12311714522 | Grooved ball bearing | 1 | ENDED |
| 12 | 12311739203 | Grooved ball bearing | 1 | |
| 13 | 12311459279 | Supporting plate | 1 | ENDED |
| 14 | 12311279541 | O-ring | 1 | ENDED |
| 15 | 12311354683 | Fillister-head screw | 3 | ENDED |
| 15 | 12311358012 | Fillister-head screw | 1 | ENDED |
| 16 | 12311726022 | Voltage regulator | 1 | |
| 18 | 12311747251 | Fillister-head screw | 2 | ENDED |
| 19 | 12311727756 | Carbon brush set | 1 | |
| 20 | 12311350332 | Repair kit rotor | 1 | ENDED |