BMW diagram reference
Exhaust system 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 | 18121175026 | Rear muffler | 1 | |
| 02 | 18111245489 | Conical ring | 1 | |
| 03 | 18307620549 | Hex nut wiht flange | 3 | |
| 04 | 32111114805 | Bush | 3 | |
| 05 | 18121175024 | Front muffler | 1 | |
| 07 | 07119903018 | Hexagon bolt | 3 | |
| 07 | 41117006311 | Hex bolt | 3 | |
| 08 | 82119413970 | Tailpipe tip, chrome | 1 | |
| 09 | 18211245114 | Rubber Ring | 2 | |
| 10 | 18211246003 | Stop buffer | 1 | |
| 11 | 07119906181 | Hex bolt | 1 | |
| 11 | 07119913653 | Hex bolt | 1 | |
| 12 | 18211175957 | Clamp | 1 | ENDED |
| 13 | 07119906089 | Collar nut | 1 | |
| 14 | 18211246471 | Set mounting parts | 1 |