AST BMW F83 M4 Cabriolet Lowering Springs OnTrack With a construction that includes

With a construction that includes shims

Standard factory drop links are non-adjustable and often introduce preload into the anti-roll bar when lowering your vehicle or fitting coilovers

4' F33 LCI (05/2016 — 12/2019)

add an aggressive look and show your support for the R44 movement

Motorsport Edge

AST BMW F83 M4 Cabriolet Lowering Springs OnTrack With a construction that includesGive your BMW F83 M4 Cabriolet the extra stance it needs with AST lowering springs. AST 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