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Whiteline front radius arm lower bushing kit for 2015–2018 BMW M3 is engineered to adjust and optimise caster alignment, improving tyre contact during roll and enhancing turn‑in response and directional stability. Protective plating, resistance to oil and ozone, articulation voids for needed suspension movement, internal grease reservoirs and an install guide make this a durable, serviceable solution for alignment‑sensitive setups.
Whiteline 12-19 BMW 3 Series F30 / 14-21 BWM 2 & 4 Series Front Radius Arm Lower Bushing Kit
