Jupp Heynckes
Olk also had two spells as assistant coach at Bayern Munich. From 1975 to 1977, he was assisting Dettmar Cramer in a period when the club the European Champions' and Intercontinental Cups of 1977. Between 1986 and 1988, he served under Udo Lattek and Jupp Heynckes, being part of the team that won the German championship of 1987.