The KW Height Adjustable Spring (HAS) Kit is a fully height adjustable lowering spring kit that offers increased body control, greater traction and improved handling.

The key features of KW Height Adjustable Spring Kit for BMW F80 M3/F82 M4 are:

• Fully height adjustable (up to 25mm of ride height adjustment)

• Bespoke spring rates for the BMW F80 M3/F82 M4

• Fully compatible with existing passive or electronic dampers

• Trapezoidal height-adjustment threads for easy adjustment across the product's lifespan

• Tested at the Nürburgring

• Reduced body roll during hard cornering

• Improved braking stability due to reduced weight transfer during heavy braking

• Allows your BMW to be corner-weighted