A Brøndby IF club legend, Køhlert began his career as a player for Akademisk Boldklub (AB) before shortly moving to Glostrup IF 32 and finally to the former Brøndbyvester IF.
[2] He later stated, that he was not an ambitious player, refusing to train three times a week when new Brøndby coach John Sinding took over.
[2] He led the club to its first Danish championship in 1985,[4] Køhlert then left the position, as star players such as Michael Laudrup moved away and increasing media attention had changed his role as head coach.
After Hareide proved a mismatch as a Brøndby coach, Køhlert once again took over as caretaker in the spring of 2002, leading the club to its ninth championship.
[2] After leaving professional management, he coached the first team of lower-tier clubs Vallensbæk IF,[5] FC Gribskov and Gilleleje FK.