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View Full Version : which fuel?? Andy12 Thu, May-03-2012, 07:34:46 PM Hi, i've just bought a 2004 m3 convertible, i'm picking it up on Saturday. Cant wait!!! Just wondered which fuel is best for it?? Should I use the normal unleaded or the high octane?? Cheers Andy djm3 Thu, May-03-2012, 07:59:12 PM Should be 98 RON in the UK, if I'm not mistaken. Andy12 Thu, May-03-2012, 08:02:47 PM cheers thats great djm3 Thu, May-03-2012, 08:12:40 PM Typo should be 97 RON, the more common Super Unleaded. Although if you believe some tests, the S54 engine can be optimized at a higher octane rating. Not that it matters for street driving. mkballer123 Mon, May-07-2012, 07:33:31 PM High octane for peace of mind....although it won't do anything for daily driving :) |