Spark Plug: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 525i, 525xi, 530i, 530xi | 1.5 | 1.2 | B | |
| 545i, 550i | 1.8 | 1.4 | B | |
| M5 | 2.2 | 1.7 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 525i, 525xi, 530i, 530xi | 1.5 | 1.2 | B | |
| 545i, 550i | 1.8 | 1.4 | B | |
| M5 | 2.2 | 1.7 | B |