aFe Euro HFM Adapter - E36 M3 with 3.5" HFM

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).