AST Lowering Springs BMW G8X M2/M3/M4 Vehicle:G80 M3 Includes a 1/8″ NPT bungs

Includes a 1/8″ NPT bungs for water injection

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AST Lowering Springs BMW G8X M2/M3/M4 Vehicle:G80 M3 Includes a 1/8″ NPT bungsAST LOWERING SPRINGS 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 Progressive rates on most