The Bilstein B14 PSS Suspension allows adjustable vehicle ride height without the expense of a fully adjustable damping system. This system features both coilover and standard mono-tube gas pressure shock or struts with performance level valving for application specific, progressive rate coil springs.
The product benefits at a glance:

Threaded body adjustable range of 20 mm

Lowering of approx. 30-50 mm at front and rear

Road-tested and fine-tuned by BILSTEIN ride engineers, under extreme motorsports conditions

Aluminum Spring plates and lock nuts

Surface coating using Triple-C-Technology®for long-lasting corrosion resistance

Round threads for easy adjustment

Quality sport springs made from highly durable material

Gas pressure technology

BILSTEIN monotube technology, made in Germany

adj. -1.0"-1.75" / adj. -1.0"-1.75"

This coilover kit fits the following BMWs:
1997-2003 E39 BMW 540i M5