This is a replacement o-ring for the charge pipe to throttle body connection for you N54/N55/S55 BMW. If your BMW has a N54, N55 or S55, this will replace your existing/worn throttle body o-ring that sits inside the chargepipe.
OEM BMW Part Number: 13717568031
Fits all BMW’s with an N54, N55 & S55 engines.

VRSF Racing Downpipes B46 2016 - 2021 BMW 120i, 220i, 230i, 320i, 330e, 330i, 420i, 430i, 630i, 730i & xDrive G & F Chassis 