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The standard Porsche oil filter setup allows the bypassing of the filter on startup and certain other conditions.
An aftermarket filter adapter (see LN) and the appropriate filter no-bypass together with the magnetic oil change plug can help.
But as JFP says above, once failed and contaminated, you are throwing good money after bad.
Only sure way to know what IMS your engine has is to pull the transmission and inspect the IMS cover. Once you are there ....
The standard "do I have a failing IMS" test is drop the filter and pan. Cut the filter open. Inspect with a magnet at the ready.
There are sellers who have just changed the filter and oil to mask a problem. Amazing how many cars fail within 100 miles of purchase. Some actually prefer dirty oil for the inspection.
Last edited by mikefocke; 03-05-2016 at 01:17 PM.
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