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Very likely the drain time was insufficient, especially at a quick lube place.
If you have a mity-vac, get some tubing and extract about a half qt. from the dipstick tube, or raise the car and remove the filter cover, that'll yield about a qt. Save it in a clean container and add some back as needed over the next few days.
But, remember, Porsche revised it's recommended fill capacity but never revised the dipstick or the dash gauge.
Previously, you were to fill to the max line on the dipstick and to the bar below the top bar on the dash gauge.
With the revision, you now fill slightly over the max line on the stick (it's a guess how much, maybe 1/4") and to the top bar on the digi-gauge... there is no more overfill indicator.
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