By: lourdes sanchez bayas - Published: Jun 14, 2008 ??? References: bmw & dezeen The BMW Art Cars tradition began in 1975 when French race car driver Herv???? Poulain asked Alexander Calder to customize his BMW 3.0 CSL. For 33 years, BMW cars have been turned into rolling works of art by such influential artists as David Hockney, Roy Litchenstein, Frank Stella, Robert Rauschenberg and Andy Warhol.