The standard M3 was 1:31.8 (dry), the M3 CSL (in the wet) was 1:28.0

http://video.google.com/videoplay?docid=8679415418600912857&q=top+gear+m3

The Top Gear track of course is nice and smooth, not a bump in sight.

http://www.bbc.co.uk/topgear/powerlaps/
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