Speed Engineering S55 Air Intake Duct Kit - F8x M3, M4 17" 7 Series / E65 /

7 Series / E65 / E66 (2001-2008) / 735i / 735Li

Verifiable 3rd party testing

2 Series / F44 (2019+) / 220d

high-density energy-absorbing closed-cell foam padding is strongly recommended for the head space when competing in motorsport events

4 Series / G82 / G83 M4 (2021+) / M4 CSL

Speed Engineering S55 Air Intake Duct Kit - F8x M3, M4 17" 7 Series / E65 /SPEED ENGINEERING GMBH Pure Engineering Made in Germany. Speed Engineering thinks new in their ideas, developments, designs and products. Speed Engineering's standard is the extremely high demands in motorsport, which is reflected in every work step, whether in motorsport or off the race track. PRODUCT INFORMATION Especially on the race track or after a performance upgrade, the S55 really has to do a lot. The factory design of the intake is not