KONI Special Active FSD Shock (Front Left) for 2006-2011 BMW 3 Series RWD (E90) 1200 The Function and Form Type

The Function and Form Type 4 Coilovers for the 2005-2011 Lexus GS430 are the brand's premium coilover system

2025 Mazda Mazda 2

1993 Nissan 200SX 1

2020 BMW 1 Series 114/116/118/120 Hatchback (F20)

Rear Lifted Height: 30mm

KONI Special Active FSD Shock (Front Left) for 2006-2011 BMW 3 Series RWD (E90) 1200 The Function and Form TypeKONI Special Active shocks for the 2006 2011 BMW 3 Series RWD (E90) use KONI's patented Frequency Selective Damping (FSD) technology to deliver two damping curves in one fixed shock soft for low frequency road inputs (comfort) and firm for high frequency body motion (control). The result is a daily driver that feels composed without compromising ride quality. FSD reacts to the road, not to a driver setting, so there's nothing to adjust and nothing to