Looks like one of either the "Engine speed too high, change up now" or "Engine speed too low, change down now" warnings, depending on which way the arrow is pointing.
See the PDF attached here: www.e90post.com/forums/showthread.php?t=356322. Do either of those (about 2/3 of the way through) look like it?
Presumably either the "R" stands for "Revolutions", or that's some sort of ham-fisted attempt to depict the gearshift gate in the icon and it's "Reverse".
Last edited by: TeeCee on Tue 5 Jun 12 at 09:41
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