BMW is no stranger to brochure leaks as the a rear view of the new 2010 BMW Z4 spills onto the web.

Just yesterday we reported on a covertly acquired image of the all new 2010 BMW Z4 taken on a movie set and not a dealership as originally reported. And now, what appears to be a photo of the Z4 brochure has spilled its way onto the web as well, this time showing a rear end view and folding hard top roof.

Word on the cyber street is that the new Z4 makes its media debut on December 15 with a possible public debut at the Detroit Auto Show in January.

Despite the somehwat distorted view of the image, the overall rear end design looks promising. Let us know what you think in your comments below, compared to yesterday's front side image.

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