Thread: M4 engine squeal/noise
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      07-29-2019, 04:41 PM   #16
rocc
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Drives: BMW Z4 E89 35i
Join Date: Sep 2016
Location: Germany

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Quote:
Originally Posted by bedboy View Post
Try to open oil cap. If it helps then PCV VALVE
Thank you!! Had the same noise after a few miles with a new PCV valve in my E89 35i.
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