Thread: E53 x5 whine from pulley or oil pump
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Old 01-25-2018, 05:05 PM
Fifty150hs Fifty150hs is offline
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Quote:
Originally Posted by E53cruiser View Post
2006 e53 x5 4.8is with terrible whine from either pulley or oil pump. doesn't matter the temp but it does get louder while driving and also at idle (seen in video) any input if greatly appreciated



https://youtu.be/VFoToYY7L_s
Sounds like the bearing is shot in an idler pulley.
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