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Originally Posted by 2MCHPWR ... is it required to use super 93 unleaded or can i use 87 regular? |
You can use 87 if you don't mind a decrease in power and fuel economy of about 3% – the figure BMW gave in their earlier brochures for using RON 91 instead of 95. Personally, I give the engine 0W synthetic oil and super unleaded. I am not sure I could find RON 91 these days.