Fitting Position: Upper. BMW 4 Convertible (F33, F83) 435 i Convertible Petrol 11/2013 02/2016 RWD 24 306 225. BMW 4 Convertible (F33, F83) 428 i Convertible Petrol 11/2013 02/2017 RWD 16 245 180. BMW 4 Convertible (F33, F83) 420 i Convertible Petrol 07/2014 02/2016 RWD 16 184 135.