C40 Mobil1 Oil Update: Beware of Dealer Ignorance
I know this topic has been discussed previously, but after my experiences of the last few weeks wanted to provide an update. As many of you with 2022 and possibly 2021 Porsche 718's know, it is now required that we use Mobil 1 0w40 with the "C40" specification approved by Porsche. In Caymans, there is a yellow sticker in the rear hatch door (see …
