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My 2007 BMW 525xi is making a loud whining noise when I either turn left or right and sometimes you can here it lightly when stopped at a stop light. Do you know what this could be. Would this have anything to do with my front upper control arm bushings needing to be replaced? Thank you.

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It sounds like a power steering pump problem. If you get low on power steering fluid the power steering pump will have a loud whining sound. The upper and lower control arm bushings will make a squeaking sound. And they would only make it when turning. I am sure that your power steering fluid is low.

Posted on Oct 05, 2010


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