KW Variant 3:

Race technology for the road, with adjustable compression and rebound dampening.
State of the art motorsport technology enables better performance on the streets. The independently adjustable compression and rebound dampening allows for cutom driving setups. 
The exclusive KW patented system has dual level valves that allow for adjustment of the rebound dampening for your road comfort and the compression dampening that controls the driving dynamics.

-- Damping technology with individually adjustable rebound- and compression technology
-- inox-line* stainless steel technology
-- Individually height adjustable
-- Adjustment parameters approved by the German Technical Control Board (TÜV)
-- High-quality components for long durability
-- Infinitely variable rebound damping adjustment
-- 14-way adjustable compression damping
-- Unique, individually working damping force adjustment
-- Comprehensive documentation for easy use

Lowering:

Front Lowering: 0.8" to 1.5" Rear Lowering: 0.8" to 1.5"

Notes:
01: Height adjustable on the front and rear axles (threaded strut housings)
1: Front and rear height adjustable by threaded shock bodies
37: Vehicles equipped with electronic damper control: Electronic damper control needs to be disabled. Disable modules available through KW. Please check KW accessories list.
X9: For vehicles not equipped with PASM
78: If the car is equipped with PASM, the PASM needs to be disabled