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      | Service exchange part: | |
| Voltage [V]: | 14 | 
| Alternator Charge Current [A]: | 90 | 
| Fastening Type: | Direct fastening | 
| Rotation Direction: | Clockwise rotation | 
| Pulleys: | with belt pulley | 
| Pulleys: | with V-ribbed belt pulley | 
| Number of ribs: | 6 | 
| Belt Pulley Ø [mm]: | 49 | 
| Connector/Clamp: | without connection for speed sensor | 
| Connector type: | B+ | 
| Weight [kg]: | 5.48 | 
| BMW: | 12 31 7 505 898 | 
| BMW: | 12 31 7 505 902 | 
| BMW: | 12 31 7 516 107 | 
| BMW: | 12 31 7 516 108 | 
| BMW: | 12317505898 | 
| BMW: | 12317505902 | 
| BMW: | 12317516107 | 
| BMW: | 12317516108 |