This aFe Euro HFM Adapter is a unique plastic step-down adapter for connecting the Euro 3.5" mass air meter to the standard 3" US-spec M3.
The special MAF sensor adapter allows you to use your Euro MAF sensor on a U.S.-spec car without having to change the intake tube.
Includes adapter only.
California Emissions Notice: It has been determined by the manufacturer that this product does not require a CARB Executive Order (waiver).
BMW Fitments:
3 Series
E36 (92-99) > M3 (1995)
E36 (92-99) > M3 (96-99)