I just went through a few weeks of back and forth with Porsche and Suncoast to get the correct oil for my Boxster.
I'll have to look into this. I have been getting the oil from ECS tuning. They send oil that is not quite BMW M5 spec......
Mike
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2018 M5 and 2019 Porsche Boxster GTS
Prior. '94 325is, '97 M3 Lux, '16 M2
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