neeed help ! in X3,X6,X7,X8 Posted March 29, 2010 · Report reply ive been trying to search everywere but i just cant find the answers im looking for .i just bought a 1989 cressida . and everything seems to be working and drives great but there one problem the black box on the left side of the engine bay , what is this for ,cuz its cracked really bad at the bottom . will it effect me from passing smog ? thank you .