102mm / 4" Ramair and brake cooling vent pair for Z3 from 1.8 to 3.0 models front bumper, any model with standard Z3 bumper and not Z3M bumper.
Can be used to anything from 1.8 to V8, V10 or V12 swapped Z3. See supporting parts too. In ramair use this 102mm / 4" gives very notable gains. Double the airflow compared to 76mm / 3" vent that is best suited to brake cooling task.
