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The Roewe 550 was formally launched at a 2008 motor show, and features LED lights on the rear; various audio, climate, and sat nav controls through a touchscreen; and a panoramic glass roof.The 550 was developed by an Anglo-Chinese collaboration between the British consultancy firm Ricardo 2010 and SAIC's in-house development team.Underneath, the 550 is based on a shortened Rover 75 platform and features a development of BMW's Z-axle system also used in the 75.