He won the national championship with Bayern Munich in 1997 and 1999.
Basler was top-scorer of the Bundesliga in 1995 and was a squad-member of the Euro 1996 winning German National Team (Basler's shirt number was 13), but because of an injury he didn't take part in the final tournament in England. He scored twice in 30 appearances for Germany. He also scored the opening goal for Bayern Munich in their 1999 UEFA Champions League Final against Manchester United at Camp Nou, Barcelona. It was a well taken free-kick in the 6th minute of the game. Bayern went on to lose the match 2–1 after Manchester United made a dramatic recovery late on in the game.
A dead-ball specialist, Basler scored numerous goals from free-kicks and two direct from corner kicks during his career, called an Olympic goal. He also was known for his creativity.