Timing Chain: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Single Timing Chain | ||||
| M3 | 27.8 | 20.3 | B | Includes: Timing Gears. |
| Dual Timing Chain | ||||
| 325, 330 | ||||
| 2WD | 13.9 | 9.8 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Single Timing Chain | ||||
| M3 | 27.8 | 20.3 | B | Includes: Timing Gears. |
| Dual Timing Chain | ||||
| 325, 330 | ||||
| 2WD | 13.9 | 9.8 | B |