You guys are killing me with all this IMS and oil stuff.
My 1999 Boxster just went over 240,000 miles. It still has its original IMS and I use Mobil 1 (10W40 high mileage and 15W50).
This weekend I will change the oil & filter as I always do every 10,000 miles.
If Mobil 1 is good enough for Porsche, then it is good enough for me. If I can find royal purple in 5 quart jugs like Mobil 1, I will start using it.
Just my two cents.
MNC-I
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