PRODUCT INFO
| Supplier Name | OPTIMAL |
| Product No | 0-N1638 |
| Type | Spurious / drive roller, V-ribbed belt |
| Params | Driven unit: generator Width (mm): 26 Number of ribs: 6 Outer diameter [mm]: 70 |
OEM NUMBER
| BMW | 11 28 7 509 508 |
| BMW | 11287509508 |
| BMW | 7 509 508 |
| BMW | 7509508 |
APPLICATION
| BMW Z4 Roadster (E85) | BMW Z4 Roadster (E85) 3.0 i |
| BMW Z4 Roadster (E85) | BMW Z4 Roadster (E85) 2.5 i |
| BMW Z4 Roadster (E85) | BMW Z4 Roadster (E85) 2.2 i |