AST Suspension Lowering Springs (30mm/20mm TUV) - 1997-2003 Audi A6 Avant 2.4/2.7/2.8/3.0/2.5TDi 6CYL (4B) GS350 2015 BMW 7 Series Sedan

2015 BMW 7 Series Sedan 2WD (w/ Adaptive Drive)

1996 Mazda MX-5 Miata RWD (NA8C/NB8C)

Part Number BNR37Z Part Name Sway Bar Vehicle 2012-2013 Infiniti G37 Base

The dust protection elements and spring perches included in the delivery

Part Number KDT919 Part Name Differential Mount Bushing Vehicle 2009-2016 BMW 328i xDrive 3 Series Chassis Code E90/F30 Bushing Color Black Bushing Material Polyurethane Color Black Durometer 72 Installation Difficulty Difficult Installation Time (hrs) 4 Kit Contents 5 Bushings

AST Suspension Lowering Springs (30mm/20mm TUV) - 1997-2003 Audi A6 Avant 2.4/2.7/2.8/3.0/2.5TDi 6CYL (4B) GS350 2015 BMW 7 Series SedanAST Lowering Springs for the 1997 2003 Audi A6 (4B) 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. Features