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Re: Engine oil specs? ACEA A5
Posted to Technical Discussion Forum on 1/1/2018

I have come back across my previous post as I do more GDI+engine oil research. I'll update here to say that I'm not sure A3/B4 was the best decision for that Optima. We installed A3/B4 oil hoping to protect the camshaft to high pressure fuel pump drive, which,... Login to read more.