Synchronizer Ring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 4 Speed (M46) | ||||
| Transmission Synchronizers | 7.0 | 5.0 | B | Includes: R&R Transmission. |
| 5 Speed (M47) | ||||
| Transmission Synchronizers | 8.4 | 6.0 | B | Includes: R&R Transmission. |