Battery Cable: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Negative Cable | ||||
| 525i, 525xi, 530i, 530xi | ||||
| 545i, 550i | 0.5 | 0.4 | B | |
| Positive Cable | ||||
| Battery to Trunk Connector | ||||
| 525i, 525xi, 530i, 530xi | 1.8 | 1.2 | B | |
| Trunk Connector to Bulkhead | ||||
| 525i, 525xi, 530i, 530xi | 9.6 | 8.0 | B | |
| 545i | 10.5 | 8.3 | B |