The invention relates to a pipe connection, in particular for a heat exchanger, having a pipe end arranged in a connection piece, wherein an outwardly projecting, at least sectionally circumferential bead is configured on the pipe end, and wherein the connection piece has a first connection piece portion which is radially deformable and creates a first radially deformable connection piece portion, wherein the pipe end is held and secured in the connection piece by means of the first radially deformable connection piece portion. The invention further relates to a heat exchanger with a pipe connection of this kind and a connection method for producing a pipe connection.