The H&R 28mm front sway bar for 1996–2003 BMW 540i E39 is supplied as a direct-fit front anti-roll bar to replace or upgrade the factory unit. Sized to the listed E39 540i years, it anchors at factory locations and is intended to alter roll stiffness characteristics for the front axle on that BMW application.
H&R 96-03 BMW 540i E39 28mm Front Sway Bar