SuperPro SPF2569-24K Sway Bar Mount Bush KitSuperPro SPF2569 24K Sway Bar Mount Bush Kit Sway Bar mount bushes are an important part of the whole sway bar system. Worn or rubber bushes in these locations lead to movement in the sway bar in unwanted directions that effect the effectiveness of the sway bar. An upgrade to SuperPro bushings can return lost sway bar performance and improve handling. FITMENT Sway Bar Mount Bush Kit works with the following vehicles. 1997 bmw 528i base 1999 bmw 323i