AST Lowering Springs For BMW 6 xDRIVE 640 xDRIVE/650 xDRIVE/640D xDRIVE 03/2012-10/2018, Front 30 , Rear 25 S3 (8Y) ENGINE & PERFORMANCE providing a significant boost to

providing a significant boost to your driving experience

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and other contaminants

All text decorations are finalized through our precision post 3D milling process

AST Lowering Springs For BMW 6 xDRIVE 640 xDRIVE/650 xDRIVE/640D xDRIVE 03/2012-10/2018, Front 30 , Rear 25 S3 (8Y) ENGINE & PERFORMANCE providing a significant boost toThe AST Lowering Springs are precision engineered components designed specifically for BMW 6 xDRIVE models, including the 640 xDRIVE, 650 xDRIVE, and 640D xDRIVE produced between 03 2012 and 10 2018. Manufactured using advanced Wafios coiling machines, these springs ensure exceptional quality and consistency. Their cold coiled construction guarantees durability and reliability, meeting the highest industry standards. These springs provide a