Additional info from their website -
https://www.koni.com/en-US/Cars/Prod...pecial-Active/
KONI Special ACTIVE is the next generation of premium shock absorbers that offer superior handling without compromise. It is the latest advancement in the KONI product portfolio. Utilizing the most recent generation of KONI’s patented Frequency Selective Damping technology, it controls large body motions and cornering forces but smooths expansion joints and rough roads for improved comfort.
Advantages of Special Active Shock Absorbers
• KONI’s latest generation of Frequency Selective Damping Technology
• Improves safety and road holding
• Technology proven on over 1.5 million factory equipped vehicles
• Secure and stable feeling for spirited driving
• Unrivaled aftermarket solution can be fitted to most new and older cars
• Driving refinement for cars, trucks, SUVs, etc.
• Technology that rivals expensive Original Equipment electronic systems
• Performance for driver and comfort for passengers in one
As expected it's the latest generation of their FSD technology. The most noticeable difference I see at the moment is that they are not gold anymore but red. :biggrin
Per their online catalog, parts number for E46 are the same as for the previous FSD shocks.
Front struts for E46 sedan/coupe - 8745-1022L & 8745-1022R
Rear shocks for E46 sedan - 8245-1023
Rear shocks for E46 coupe - 8245-1024