Parts Information
| Part | Manufacturer | OEM Part # | Price | Notes |
| Oxygen Sensor | ||||
| 525i, 530i | ||||
| Front Manifold | ||||
| Front | BMW | 11787523434 | 274.18 | |
| Rear | BMW | 11787514926 | 246.76 | |
| Rear Manifold | ||||
| Front | BMW | 11787523435 | 274.18 | |
| Rear | BMW | 11787514927 | 246.76 | |
| 545i | ||||
| Cylinders 1-4 | ||||
| Front | ||||
| Manual Trans | BMW | 11787529980 | 274.18 | |
| Auto Trans | BMW | 11787516150 | 274.18 | |
| Rear | BMW | 11787512567 | 246.76 | |
| Cylinders 5-8 | ||||
| Front | ||||
| Manual Trans | BMW | 11787512983 | 274.18 | |
| Auto Trans | BMW | 11787521705 | 274.18 | |
| Rear | BMW | 11787512002 | 246.76 |