AST BMW G21 M340i xDrive Touring Lowering Springs Carbon Dual Exhaust Tip We run this exact setup

We run this exact setup on our own cars and many customer builds with excellent results

Owners consistently report a transformed drive

this Dinan solution delivers the aggressive sound profile enthusiasts want with premium build quality

finish and overall presence are exactly what M5 owners expect from a top-tier upgrade

BMW M6 performance chip

AST BMW G21 M340i xDrive Touring Lowering Springs Carbon Dual Exhaust Tip We run this exact setupGive your BMW G21 M340i xDrive Touring 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