Spark Plug: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 318 | 0.5 | 0.2 | B | |
| 323, 325 | 1.3 | 0.9 | B | |
| 328, 330 | 1.3 | 0.9 | B | |
| M3 | 1.3 | 0.7 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 318 | 0.5 | 0.2 | B | |
| 323, 325 | 1.3 | 0.9 | B | |
| 328, 330 | 1.3 | 0.9 | B | |
| M3 | 1.3 | 0.7 | B |