BMW Z13
http://www.bmwblog.com/2010/03/30/design-study-bmw-z13-the-personal-car/
BMW Z9 8)
http://www.bmwblog.com/2010/03/30/concept-study-bmw-z9-gran-turismo/

BMW Z29
http://www.bmwblog.com/2010/03/28/formula-1-technlogy-for-the-road-the-2001-bmw-z29/
Not a Z but worth a look!
http://www.bmwblog.com/2009/05/20/bmw-sportscar-concept-study/
http://www.bmwblog.com/2010/03/30/design-study-bmw-z13-the-personal-car/
BMW Z9 8)
http://www.bmwblog.com/2010/03/30/concept-study-bmw-z9-gran-turismo/

BMW Z29
http://www.bmwblog.com/2010/03/28/formula-1-technlogy-for-the-road-the-2001-bmw-z29/
Not a Z but worth a look!
http://www.bmwblog.com/2009/05/20/bmw-sportscar-concept-study/



Im glad they BMW does not make any of these because then all my Audi driving frinds would really let me have it 8) Except for the M0 of course :evil: