BMW exploded diagram
Crankshaft-Pistons for BMW 3 Series E21 315 (1980)
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_uc.jpg
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| No. | Part number | Description | Qty | Notes |
|---|---|---|---|---|
| 01 | 11251274972 | Piston | 4 | ENDED |
| 01 | 11251274973 | Piston | 4 | ENDED |
| 01 | 11251276521 | Nueral/alcan piston | 4 | ENDED |
| 01 | 11251276522 | Nueral/alcan piston | 4 | ENDED |
| 01 | 11251286996 | Mahle piston | 4 | ENDED |
| 01 | 11251286997 | Mahle piston | 4 | ENDED |
| 01 | 11251286998 | Mahle piston | 4 | ENDED |
| 01 | 11251286999 | Mahle piston | 4 | ENDED |
| 01 | 411251274970 | Piston | 4 | ENDED |
| 01 | 411251274971 | Piston | 4 | ENDED |