BMW exploded diagram
Wiring set trailer coupling for BMW 3 Series E21 315 (1981)
Use this BMW diagram page when you know the component location or position number and need to identify the OEM part number, quantity, and notes for the selected exploded parts reference.
Diagram image
/bmw/images/diag_770.jpg
Image caching to R2 can be enabled after the MVP import is verified.
| No. | Part number | Description | Qty | Notes |
|---|---|---|---|---|
| 01 | 61131377134 | Cable tie | 2 | |
| 02 | 61131350591 | Cable clamp | 1 | ENDED |
| 02 | 61131350864 | Cable clamp | 1 | ENDED |
| 03 | 61131354668 | Insulation sleeve | 6 | |
| 04 | 61131361243 | Tubing support | 1 | |
| 05 | 07119978375 | Bulb | 1 | ENDED |
| 05 | 07509063579 | Bulb | X | ENDED |
| 05 | 63217167000 | Bulb | X | |
| 06 | 61121367671 | Wiring turn signal control | 1 | ENDED |
| 07 | 61131365655 | Pin | 1 | ENDED |
| 08 | 07119907698 | Fillister head screw | 3 | |
| 09 | 61131371124 | Plug-in socket | 1 | ENDED |
| 10 | 61131364967 | Gasket | 1 | ENDED |
| 11 | 07119933060 | Spring washer | 3 | |
| 12 | 07119922038 | Hex nut | 3 | ENDED |
| 13 | 07119901200 | Sheet metal screw | 1 | |
| 13 | 07119906762 | Fillister head self-tapping screw | 1 | ENDED |
| 14 | 07119936107 | Tooth washer | 1 | |
| 16 | 61311372021 | Hazard warning relay | 1 | |
| 17 | 61121360062 | Wiring set | 1 | ENDED |