I have a high pitched squeeking noise upon light acceleration. It seems to be inconsistant. But, you can hear it. Any ideas on what it could be?
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2006 BMW 330i Question: High pitched squeek upon light acceleration
Answer #1ZeeTech April 09, 2011, 16:36Master
Sometimes you can hear a similar sound when the breather system (PCV) failed.
A BMW specialty shop should be able to check the PCV pressure with a manometer.
Answer #2Visitor, May 02, 2011, 20:46
parking brake. just had mine fixed
Answer #3Visitor, May 17, 2011, 09:21
If the sound is originating from the right rear wheel, it may be the brake pad wear sensor. It apparently will "flex" enough and make contact, producing the squeak. Really annoying; a local BMW shop should be able to adjust it, but it may set you back ~ $100. Design-flaw.