He joined the BMW Works team in 1992, and competed in the Australian Touring Car Championship for several years. Morris went on to compete in the Australian Super Touring Championship from 1994 to 2000 (excluding 1998), winning four championships. His notable sponsors during this time were Benson & Hedges and Diet Coke. He also competed in the V8 Touring Car Championship full-time in 1994, driving a Holden Commodore sponsored by Diet Coke. That same year, he would claim another class victory at the Bathurst 1000 with German driver Altfrid Heger in a BMW, having written off his Holden in testing prior to the race.