The last time BMW Motorrad released a 450 cc dirt bike, it was a wild off-roader that borrowed tech from the marque's latest acquisition at the time, Husqvarna. The newly minted BMW Concept F 450 GS is nothing like that bike. Unveiled just as EICMA is about to kick off in Milan, the “near-production-ready” BMW Concept F 450 GS is said to fill the gap between the Bavarian brand's single-cylinder G 310 GS and twin-cylinder F 900 GS. Styled like a scale model of the progressive new BMW R 130...