IMPORTANT! For vehicles before 04/2013, after the valid part numbers, items 1 and 3, have been sold, order the set 7 382 135. The sets contain a left side window and a right side window including the left and right power window systems (motor and rail).,IMPORTANT! For vehicles before 04/2013, after the valid part numbers, items 1 and 3, 1 have been sold, depending on equipment, order the set 7 382 138 or 7 382 139. The sets contain a left side window and a right side window including the left and right power window systems (motor and rail).