AST Lowering Springs | 2014-2018 BMW M3 Base/Competition (ASTLS-21-025)AST Lowering Springs Fitment: 2014 2018 BMW M3 Base Competition Part #: ASTLS 21 025 Overview The AST Lowering Springs for the 2014 2018 BMW M3 (Base and Competition models) are engineered to optimize your vehicle's handling dynamics and enhance its visual stance. Designed specifically for this high performance platform, these springs help lower the ride height, resulting in a more aggressive look and a lower center of gravity. This modification