AST Suspension Lowering Springs (30mm/30mm) - 2014+ BMW 4 Series 435i/440i/430D Gran Coupe (F36) MODEL_G29 with a focus on reducing

with a focus on reducing intake restrictions and supporting engine efficiency

this diffuser fits precisely onto the rear of the Porsche 911 GT3 RS (991

Suitable for those seeking a clean

while also preventing corrosion and color fading from UV & heat cycling

The bumper’s precise engineering ensures a clean

AST Suspension Lowering Springs (30mm/30mm) - 2014+ BMW 4 Series 435i/440i/430D Gran Coupe (F36) MODEL_G29 with a focus on reducingAST Lowering Springs for the 2014+ BMW 4 Series (F36) 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