12-25-2025, 02:53 AM
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Member
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Join Date: Jun 2023
Location: Louisville, KY
Posts: 584
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Quote:
Originally Posted by X5chemist
Wow, that's loud. Do you have a mechanic stethoscope? Brake booster, vacuum reservoir, or oil separator valve. Remove the oil cap at idle. Does it have a large vacuum suction on it?
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I'll check that, thanks.
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2001 E53 M54 5MT Oxford green over crusty black leather 206,000mi 2002 E46 M54 2.5 5MT silver over black sensatec 217,000mi
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