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2015 BMW 4 Series 435i/440i Coupe AWD (w/o EDC)
2004 BMW 3 Series 320i Sedan/Touring/Coupe/Convertible (E46)
Drag-specific spring rates — front/rear bias tuned for forward bite
and sealed self-lubricated Japanese Koyo bearings
1994 Mercedes-Benz SL-Class 300SL/300SL 24V/500SL/600SL (W129R)
AST Suspension Lowering Springs (30mm/20mm) - 2011-2016 BMW M5 (F10) 960 2015 BMW 4 Series 435i/440iAST Lowering Springs for the 2011 2016 BMW M5 (F10) 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
US$ 129.50
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US$ 146.21
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US$ 275.00
