Immers played as a midfielder with VSV (1960–1963) and Telstar (1963–1965) among others in the 1964–65 Eredivisie.

He was the manager of FC Eindhoven[1] (1986–1988), SC Heerenveen[2] (1988–1989) and HFC Haarlem[3] (1990–1991).

[4] With Koninklijke HFC he became champion for two consecutive seasons.

[5] In 1989, there were reports of him possibly going to De Graafschap or a team in Turkey.

After a long illness, Immers died on 14 March 2024 in Haarlem, his hometown.