AST Suspension Lowering Springs (30mm/15mm TUV) - 2006-2013 BMW 3 Series 335i/325D/330D Cabrio (E93) whiteline-caster/camber-offset-strut-mount-kit 2L V6 Chassis Code 4F/C6

2L V6 Chassis Code 4F/C6 Drivetrain FWD Lowering Rate - Front 1

2012 Mercedes-Benz SLS AMG (w/o EDC)

2004 Mercedes-Benz C-Class AWD/RWD (W203)

1985 Isuzu Pickup Base

AST Suspension Lowering Springs (30mm/15mm TUV) - 2006-2013 BMW 3 Series 335i/325D/330D Cabrio (E93) whiteline-caster/camber-offset-strut-mount-kit 2L V6 Chassis Code 4F/C6AST Lowering Springs for the 2006 2013 BMW 3 Series (E93) 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.