Personally I would run a 5w40. I Checked the owners manuals for the Supra and in the US they recommend 0w20 to 0w30 but checking the owners manual in the UK it goes all the way up to 5w40. It only gives you a statement regarding higher viscosity oil usage saying..."Viscosity classes with a high...
I see people on this forum already putting in wrong spec oils so the market as a whole I’m concerned as well. Buying used you don’t know how the car was maintained unless it was a lease, and even then it’s the dealer not screwing up
Yes, my reason though is because a lot of people here will be using the wrong oils in their engines. For example just regular Mobil 1 0w20 for Toyota’s vs the BMW specific LL-14 FE+ spec or the LL-01 spec oils
Slug problems and failures might happen in the longer term....
Well I know BMWs for the most part and I did a lot of research on oils for BMW's, specifically the N52 and N55 engine. Of the research and my own usage of oils, with doing a Blackstone analysis on every change I can say I have some personal experience regarding oils.
The three main oils I've...