AST Suspension Lowering Springs (40mm/40mm) - 2010-2017 BMW 5 Series 520/523/528/530/518D/520D Touring w/ Air Suspension HA (F11) Gallardo 337 080-300-550 550 4

337 080-300-550 550 4

2 mm Bushing 1 Outer Diameter 41 mm Bushing Quantity 4 Bushings Grade Type Regular Installation Difficulty Difficult Installation Time (hrs) 2

Part Number W73445 Part Name Spring Pad Bushing Vehicle 1996-2001 Jeep Cherokee Classic Chassis Code XJ Color Black Installation Difficulty Easy Installation Time (hrs) 1

9 Z70-152-120 12

AST Suspension Lowering Springs (40mm/40mm) - 2010-2017 BMW 5 Series 520/523/528/530/518D/520D Touring w/ Air Suspension HA (F11) Gallardo 337 080-300-550 550 4AST Lowering Springs for the 2010 2017 BMW 5 Series (F11) 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.