In a 14-year professional career, he played in 433 games (33 goals) both major levels of German football combined (286/11 in the Bundesliga), representing 1.
In the 1984 summer, aged almost 29, Eder signed with FC Bayern Munich, for 150,000 Deutsche Mark.
During his four-year spell, he never played in less than 32 league games,[2] going on to win three consecutive national championships.
Eder made his debut for West Germany on 11 May 1986, in a friendly game with Yugoslavia played in Bochum (1–1).
[3] He was picked by manager Franz Beckenbauer for that year's FIFA World Cup, playing all the matches and minutes for the Mannschaft – save for five minutes in the quarterfinals against Mexico – as it finished runner-up.