The E90-chassis M3 is nearing the end of its production run, as BMW readies a new model based on the redesigned-for-2012 F30 3 Series. As is typical when there’s a tantalizing new version coming, sales and marketing feel the need to goose the current model to maintain interest. Here in the States, we saw something like that in the M3 Competition Edition, while BMW’s British outpost is readying its own exclusive model, the Limited Edition 500. Funk Flex