Recent content by KW7

I have a 2012 Volkswagen Beetle 2.5L and my grandmother has a 2012 Eos 2.0L TSI. Our cars are both due for an oil change. Should we stick with the same oil that the dealership has been putting in it which is Castrol 5w40? My boyfriend runs Mobil one 5w30 in his VWs and he changed my oil in my...