Justin,go in the direction opposite of what a star would rotate...(BMW "M" says it is for ventillation of the brakes...)see my pix on the ROADFLY gallery,go to the M5 page,second line of pix,second from right side...entiled E28///M5,they are mounted in the right direction... sorry i don't know how to transfer the pix here... good luck, Michael c. 88///M5