Parts Information
| Part | Manufacturer | OEM Part # | Price | Notes |
| Idler Pulley | ||||
| 545i, 550i | BMW | 11287549557 | 50.59 | |
| M5 | BMW | 11281748130 | 41.15 | |
| Serpentine Belt | ||||
| 525i, 525xi, 530i, 530xi | ||||
| From 5/06 | BMW | 11287549150 | 48.29 | |
| AC Belt | ||||
| 545i, 550i | BMW | 11287520177 | 25.39 | |
| M5 | BMW | 11287835483 | 33.86 | |
| Alternator Belt | ||||
| 550i | ||||
| Water Pump & Alternator | BMW | 11287539831 | 41.67 | |
| M5 | ||||
| Water Pump & Alternator | BMW | 11287838226 | 42.31 |