AST Suspension Lowering Springs (30mm/20mm TUV) - 2005-2012 BMW 3 Series 325i/330i/316D/318D/320D Touring (E90/E91) X-Trail 5 4cyl Chassis Code BM

5 4cyl Chassis Code BM Drivetrain FWD Lowering Rate - Front 1

TR Chassis Code GD/GG Bushing Color Black Bushing Material Polyurethane Color Black Durometer 72 Grade Type Performance Installation Difficulty Moderate Installation Time (hrs) 1 Kit Contents 3 Insert Bushings

Part Number 78552 Part Name Air Lift Performance Air Struts Placement Front Vehicle 2004-2014 BMW 1 Series Chassis Code E8X Drivetrain Adjustment Type 1-Way Damping Adjustable Yes (32-Way) Height Adjustable Yes (Full Range via Air Struts) Notes Vehicle Fitment

2004 BMW 5 Series 520i/523i/525i/528i/530i/520D/525TDS Touring w/ Air Suspension HA (E39)

AST Suspension Lowering Springs (30mm/20mm TUV) - 2005-2012 BMW 3 Series 325i/330i/316D/318D/320D Touring (E90/E91) X-Trail 5 4cyl Chassis Code BMAST Lowering Springs for the 2005 2012 BMW 3 Series (E90 E91) 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.