Quote:
Originally Posted by campsteag
So strange enough the noise just went away? I wonder if it just sucked the rubber diaphragm into the crank case though?
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My X5 4.8i made a similar sound to a torn CCV. I replaced both diaphragms but the noise was still there but then randomly one day the noise disappeared and the car sounded normal again. After about a week the noise came back. Turns out it was the AC compressor going out.