The K&N 57s Performance Airbox 57S-2001 for BMW 3er (F30/F31) replaces the original air filter box a BMW 3er (F30/F31) 320i (Mot. N20B20A) 170/184 PS A specially for the BMW 3er (F30/F31) developed air box with K&N filter element. All necessary mounting materials and instructions for the BMW 3er (F30/F31) 320i (Mot. N20B20A) 170/184 PS 2/12-7/15 are included in the K&N 57s Performance Airbox.
By using the K&N 57i Performance Kit 57S-2001 the power of a BMW 3er (F30/F31) 320i (Mot. N20B20A) can be increased and the fuel consumption will be reduced.
Without TÜV This Performance Airbox has no German TÜV certificate included!
