Koni FSD Shocks BMW E39 525i 528i 530i Sedan Wheels Audi Bilstein Sport struts are

Audi Bilstein Sport struts are ideally suited to handle the added demands of high energy sport and lowering springs

Acura RDX 2007-2011

The 3-port systems works by interrupting the boost signal traveling from the turbo to the wastegate

Dual In/Out Resonator

Volkswagen Jetta GLI MK6 (2012+) 1

Koni FSD Shocks BMW E39 525i 528i 530i Sedan Wheels Audi Bilstein Sport struts areThe KONI FSD (Frequency Selective Damping) shock for the BMW E39 525i 528i 530i (non EDC) combines excellent road holding and handing characteristics with no compromise comfort levels. Firmness for sporty driving on even road surfaces. Smoothness for a comfortable ride on uneven road surfaces. It's possible via KONI's patented Frequency Selective Damping technology technology that actively controls the damping level on the basis of the vehicle's body