The artists Cao Fei and John Baldessari will create the next BMW Art Cars (bmw-welt.com)—numbers 18 and 19 in a series that began in 1975, when Alexander Calder painted a 3.0 CSL. Every few years, BMW assembles a panel of art experts who select an artist (or two, for this year) and invite her or him to use a current BMW racecar or road car as a canvas. Jeff Koons painted the last Art Car, an M3 GT2 (shown above), in 2010. The collection is on display at the BMW Museum in Munich. Cao and Baldessari will each wo…