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The H&R rear sway bar for 2009–2016 BMW Z4 E89 (21mm, adjustable with three-hole settings) sharpens handling by increasing roll stiffness without compromising ride comfort. H&R’s smooth forged one-piece ends provide adjustable stiffness on supported settings. Built from 50CrV4 steel and paired with H&R Poly/Teflon bushings, it reduces body roll, improves lateral grip and stability while eliminating bushing squeak and lubrication needs.
H&R 09-16 BMW Z4 sDrive30i/Z4 sDrive35i/Z4 sDrive35is E89 21mm Adj. 3 Hole Sway Bar - Rear
