Both the Coupe and Convertible versions of the fourth generation BMW 3 Series received minor updates in 2003.
The new 3 Series Convertible kept its E46 automobile platform but featured new headlights, redesigned front wings and revised bumpers, while also updating its tail lights. Also, this was the last time the 3 Series Cabriolet was equipped with a soft top. This model was fitted with a newly-improved BMW On-board Navigation System and Park Distance Control unit. It was replaced by the 5th generation Cabriolet, featuring an innovative electronically-operated hard top.