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New Serpentine Belt Idler Pulley from 1AAuto.com http://1aau.to/ia/1AEIP00024 1A Auto shows you how to repair, install, fix, change or replace a screeching, squeaking or worn engine idler pulley. This video is applicable to the 01, 02, 03, 04, 05, BMW 325Xi and similar 3 series vehicles.

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