Thread: Pulley help!
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      10-20-2012, 05:13 PM   #2
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Drives: '09 E92 M3 IB/'17 f85 X5M LBB
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Originally Posted by ussoldierforhire View Post
Just installed AA pulley and the AC belt they provided seems to be too big. Will it tighten when I start the engine? It's loose enough to just fly off.
Make sure that you have the belt routed where the tensioner will put some tension to the belt. If it is, then the belt is too big and it is the wrong size. Mistakes can happen. But make sure that the belts are routed correctly.

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