BMW diagram reference
Wiring set trailer coupling 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
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| 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 |