BMW M57 E70 Clutched Alternator PullyWant to extend your Harmonic balancer life, or upgraded to a fluidamper? Then this clutched alternator pully kit is just for you. This one is specifically for E70's equipped with M57 NOTE : This pulley is slightly smaller in diamemter than the factory Australian delivered models. If your old belt is stretched too far you may require a new belt.
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