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Old 12-08-2012, 01:50 PM   #759
Registered User
Join Date: Nov 2011
Posts: 200
My Ride: 745LI
If Im not mistaken there is a plastic pulley .
Check that 1 . Maybe also see if BMW changed
The part from plastic to metal . I know
BMW upgraded some of them plastic pulleys
Due to squealing after they are worn down .
Not sure if they made the change on your model
, but i know they did on others

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