How many movies have Maj Sjöwall and Thomas Nilsson collaborated on?

They have worked on 8 movies together! Their first movie together was Beck 01 - The Decoy Boy (1997) while their highest rated movie together was Beck 08 - Trails in Darkness (1998). They have not worked together since Beck 08 - Trails in Darkness (1998). They are most known for their drama films together.