Door panel assembly with window regulator and assembly method

A door panel assembly (10) including a door panel (12) having a dry side and a wet side, a drive mechanism being secured to the door panel via at least a first mounting feature (32) and a cable drum (14) being secured to the door panel via at least a second mounting feature (22), in which the at least one first and at least one second mounting feature are located on the same side of the door panel. Further a corresponding method of assembling a door panel assembly comprising the steps of providing a door panel (12), providing a sub-assembly of a drive mechanism (8) and a cable drum housing (14), mounting the sub-assembly on to the door panel (12) and securing it thereto.