BMW diagram reference
Cooling system-thermostat/water hoses for BMW 3 Series E21 315 (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 |
|---|---|---|---|---|
| 01 | 11531261528 | Divider | 1 | |
| 02 | 11611713432 | Hex nut wiht flange | 1 | ENDED |
| 03 | 07119904115 | Wave washer | 1 | |
| 04 | 62111268355 | Engine coolant temp sensor | 1 | |
| 05 | 07119963200 | Gasket ring | 2 | |
| 06 | 12631286024 | Temperature switch | 1 | ENDED, SI 130582069 |
| 07 | 11531253249 | Thermostat | 1 | |
| 08 | 11531266463 | Water hose | 1 | |
| 09 | 11531266464 | Water hose | 1 | |
| 10 | 11531266469 | Water hose | 1 | |
| 11 | 11531266471 | Water hose | 1 | |
| 12 | 07129952117 | Hose clamp | 8 | |
| 13 | 11531271787 | Water hose | 1 | |
| 14 | 11531271789 | T-Connector | 1 | |
| 15 | 11531271788 | Water hose | 1 | |
| 16 | 07129952113 | Hose clamp | 4 | |
| 17 | 11531270148 | Water hose | X | |
| 18 | 07129952107 | Hose clamp | 2 | |
| 19 | 11531271468 | Water hose | 1 | |
| 20 | 07129952109 | Hose clamp | 2 |