BMW diagram reference
Brake master cylinder 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 |
|---|---|---|---|---|
| -- | 34311120217 | Brake master cylinder | X | ENDED |
| 01 | 34311120218 | Brake master cylinder | 1 | ENDED |
| 02 | 34311160133 | Sealing plug | 2 | |
| 03 | 34311121798 | Pre-pressure valve | 1 | ENDED |
| 04 | 34311103475 | Stopper bolt outer | 1 | ENDED |
| 05 | 34311103478 | Stopper bolt inner | 1 | ENDED |
| 06 | 34314650345 | O-ring | 1 | |
| 07 | 34311100747 | Compression spring primary | 1 | ENDED |
| 08 | 34311121797 | Compression spring secondary | 1 | ENDED |
| 09 | 34311116691 | Sleeve | 1 | ENDED |
| 10 | 34311103472 | Intermediate ring | 1 | ENDED |
| 11 | 34311156133 | Repair kit brake master cylinder | 1 | ENDED |