The folks over at Next Autos have some of the best spy shots yet of the 2010 BMW Z4. Wearing only very light psychedelic BMW camo, its cleaned up lines and retractable hardtop are clearly visible. Unclear is whether or not the controversial diagonal character line behind the front wheels will be eliminated. Thus continues the slow unveiling of the new Z4; we’ve already spied its interior and exterior many times, and we're expecting an official reveal at one of this winter’s car shows.

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