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Optimized spring design to reduce body roll and improve cornering stability
Fitment is designed specifically for the 2014-2023 BMW M3 (F80)
Whether you're building a street performance car
Whiteline's reputation for quality and innovation shines through in this rear sway bar
The meticulously designed exhaust system not only improves performance but also delivers a captivating
AST Suspension Lowering Springs (30mm/30mm) - 2013+ BMW 4 Series 435i/440i/430D Coupe (F32) YMM_1998_2003_Subaru_Legacy_Outback_BH Optimized spring design to reduceAST Lowering Springs for the 2013+ BMW 4 Series (F32) are manufactured from a premium high tensile chromium silicone wire which is handpicked by AST engineers for its quality and metal consistency. Each spring is cold wound and then heat treated to increase hardness and reduce internal stresses present after winding. Each spring is then individually shot peened, phosphate treated and then powder coated to outlast even the life of the vehicle. Features