Ring Gear: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Rear Axle | ||||
| Ring & Pinion | ||||
| 325i, Ci | 9.1 | 7.3 | B | |
| 330i, Ci | 9.1 | 7.3 | B | |
| 325xi, 330xi | 9.1 | 7.3 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Rear Axle | ||||
| Ring & Pinion | ||||
| 325i, Ci | 9.1 | 7.3 | B | |
| 330i, Ci | 9.1 | 7.3 | B | |
| 325xi, 330xi | 9.1 | 7.3 | B |