In 2011 , BMW launched the K1600 range &mdash; the K1600GT and K1600GTL &mdash; featuring a new straight-six engine , which is mounted transversely across the chassis . The engine is angled forward by 50 ° . The engine was originally used on the Concept 6 , a concept bike that was shown at the 2009 EICMA Milan Motor Show . BMW claims that the engine at wide , just wider than the K1300 engine , is the narrowest six-cylinder engine ever produced . Cylinder bore is and the distance between cylinder centres . The camshaft is hollow , with cam lobes pressed on , which saves around . The engine has electronic throttle control and multiple drive modes which can be set according to road conditions
EICMA Milan Motor Show
EICMA
BMW Motorrad