1998-2001 BMW E39 4th-gen 5-series, 1996-2004 BMW E46 4th-gen 3-series, 1999-2005 BMW E60 5th-gen 5-series, 2004-2010 BMW E61 5th-gen 5-series Touring, 2004-2010 BMW E63 2nd-gen 6-series Coupe ...

This may just be the start, as a reliable poster on the Bimmerpost forums reports BMW will start playing with colors in headlights. It sounds interesting, but also will surely have regulatory limits.