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Upgrade the suspension of your 2008–2013 BMW M3 (E90/E92/E93) with Swift Spec-R Springs. These performance lowering springs sharpen cornering response, reduce body roll, and provide a sportier, more aggressive stance—while maintaining everyday comfort.
Part # 4X903R
Spring Rate – Front: 5.0 kgf/mm | Rear: 12.0 kgf/mm
Drop – Front: -1.0 in | Rear: -0.7 in
Swift Spec-R Springs are engineered specifically for the BMW M3 E9X chassis, striking the ideal balance between track-inspired performance and refined street drivability.
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