The invention relates to a method for assembling a handle in a panel of an openable body section of an automobile, characterised in that: a first step (101) comprises assembling, from the outside of said panel, a hinging end of a gripping lever of a handle of an openable body section of an automobile in a first hinge cavity (11b) of said panel and said fixed positioning body in a second positioning cavity (11b) of said panel; and a second step (102), consecutive to said first step (101), comprises inserting a bolt cylinder in said fixed positioning body from the outside of said panel, screwing an attachment screw into said bolt cylinder through said fixed positioning body from the inside of said panel, and screwing an attachment screw into the hinging end from the inside of said panel. The invention also relates to a handle of an openable body section of an automobile.