Exhaust System: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 325, 330 | ||||
| Without Convertible | 1.3 | 1.1 | C | |
| With Convertible | 1.3 | 0.9 | C | |
| M3 | 2.4 | 1.8 | C |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 325, 330 | ||||
| Without Convertible | 1.3 | 1.1 | C | |
| With Convertible | 1.3 | 0.9 | C | |
| M3 | 2.4 | 1.8 | C |