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The Whiteline 18mm heavy-duty adjustable rear sway bar for 2019–2020 BMW Z4 reduces body roll and increases cornering grip by distributing lateral loads more evenly across the tires. Designed as a cost-effective handling upgrade, it features multi-point adjustment and durable protective finishes to let drivers tune vehicle balance while preserving ride comfort for street use.
Whiteline 20-26 GR Supra Rear 18mm Heavy Duty Adjustable Swaybar
