H&R 19mm non‑adjustable rear sway bar for 2019 and later BMW 330i, 430i, M340i and M440i models is a torsion stabilizer intended to increase rear roll stiffness and improve handling balance. Offered as a direct‑fit component for those model years, it provides a simple way to alter chassis response without changing other suspension geometry.
H&R 2019+ BMW 330i/430i/M340i/M440i 19mm Non Adj. Sway Bar - Rear