As part of their 90th anniversary, BMW Motorrad is celebrating with a swath of special models. We\'ve <a href=\"http://www.bimmerfile.com/2012/11/13/bmw-motorrad-celebrates-90-years-with-new-boxer-model/\">already mentioned</a> the upcoming \"Boxer\" pre-production concept that is yet to be revealed, but BMW has unveiled three special editions of current models, each R 1200s: The GS Adventure, R and RT models.
