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e46 Idler deflection pulley and tensioner pulley test

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Uploaded on Jun 23, 2010

This is a video demonstration of my Idler (deflection) pulley and main belt tensioner pulley spinning on my 2001 325Ci with M54b25 engine. One spins freely and the other takes force to spin it. As of this typing I'm not sure which is bad and which is good, but I will post the answer as a comment once I find out.

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