Exhaust System: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 318 | 1.3 | 0.9 | C | |
| 323, 328 | 1.6 | 1.2 | C | |
| M3 | 1.6 | 1.4 | C |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 318 | 1.3 | 0.9 | C | |
| 323, 328 | 1.6 | 1.2 | C | |
| M3 | 1.6 | 1.4 | C |