KW H.A.S. Height Adjustable Lowering Springs - BMW M3 F80 / M4 F82 (2015-2020)
The F80 M3 and F82 M4 are already purposeful machines. The factory ride height is the one thing that softens the visual impact — more gap in the fenders than these platforms deserve. The KW H.A.S. closes that gap without requiring you to change your shocks.
This is a spring-only upgrade. The H.A.S. system replaces your factory springs with KW units that include an adjustable spring perch. You set your target ride height within the lowering range at installation, so you are not locked into a single fixed drop the way you would be with standard lowering springs. Your OEM dampers stay in place, maintaining the suspension character BMW tuned into the F80 and F82 platforms.
Key Features
- Height adjustable lowering springs — spring-only upgrade, factory dampers remain in place
- Adjustable spring perch — choose your exact stance within the available lowering range
- Lowering range: 10-30mm from stock ride height
- TUV-certified — German engineering and quality validation
- Progressive spring rate — maintains ride comfort at normal street speeds
- Direct OEM spring replacement — no modification required
Vehicle Fitment
Fits the following BMW vehicles with factory shock absorbers:
- BMW M3 / F80 (2015-2020)
- BMW M4 / F82 (2015-2020)
Installation Notes
Works with OEM shock absorbers — no damper replacement required. Alignment required after installation.
- Verify OEM dampers are in good condition before installation
- Set desired ride height at assembly using the adjustable spring perch before final torque
- Alignment required immediately after installation