AST Suspension Lowering Springs (30mm/20mm TUV) - 2005-2012 BMW 3 Series 316i/318i/320i Touring (E90/E91) 328xi 2005 Audi A4 Avant 3

2005 Audi A4 Avant 3

2016 Nissan 370Z RWD (Z34)

SLE (XV20) are engineered to be up to the task with top spec

1986 BMW 4 Series 418i Gran Coupe (E30)

1998 Volkswagen Cabrio GLS (A3)

AST Suspension Lowering Springs (30mm/20mm TUV) - 2005-2012 BMW 3 Series 316i/318i/320i Touring (E90/E91) 328xi 2005 Audi A4 Avant 3AST 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.