High pitch squeaking @ low RPMs, like bearings - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 01-28-2012, 02:15 PM
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High pitch squeaking @ low RPMs, like bearings

I'm getting a high pitched, quite irritating high pitch noise coming from the front of the engine. From experience, it sounds similar to when my other car's belt tensioner was going out.

What are some good ways to really track down or locate the sound to see which set of bearings is squeaking without ripping my fingers out of my hand?

Happens at low RPM's or idle only.

'04 325i, M54 engine, automatic, air
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#2 (permalink) Old 01-29-2012, 09:21 AM
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Yep sounds like a pulley or tensioner... Get some pipe, one end at your ear and the other end searching around the engine to pinpoint the whistle !!


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