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AST 30mm/25mm F&R Lowering Springs | BMW 3 Series F31 (2012-19) (ASTLS-14-397) t14sold-HH083417AST Lowering Springs for the 2012+ BMW 3 Series (F31) 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
Supports improved stability during cornering and braking
Its unique double hump design ensures a secure
featuring easy-to-use controls and a rugged construction for years of dependable service
Part #: NS112-BF6
Owners seeking a sportier exhaust tone and improved sound
Includes KW HLS2 hydraulic lift system for the front axle which increases ground clearance at the push of a button
Engineered specifically for racing applications
especially when paired with lowering springs that enhance the vehicle’s stance and handling dynamics
This high-performance aero spoiler features a meticulously engineered design that emphasizes both form and function
these bushings replace the factory rubber components to deliver improved responsiveness and durability
supporting your vehicle’s systems without adding unnecessary weight
Track and racing applications where oil temperature control is critical