Koni FSD (Frequency Selective Damping) Kit for BMW 1999-20005 3 Series - (E46 models):
318i, 323i, 325i, 328i, 330i (Exc. Coupe, AWD, Touring and factory sport suspension).
The FSD kit must be used with stock height suspension.
The first shock absorber offering superior road-holding without compromising comfort. Koni introduces FSD, the first no-compromise shock absorber in the world. A revolutionary new technique which combines the benefits of firm and comfortable suspension in a single perfect shock absorber. Firm for sporty driving on even road surfaces. Comfortable for a smooth ride on uneven road surfaces.
Two characteristics that seemed diametrically- opposed, proved to be a source of inspiration for specialists from KONI. Following lengthy development and testing, the ultimate solution was reached: KONI FSD - Frequency Selective Damping.
A revolutionary new technique whereby the benefits of both types of ride characteristics are combined in one perfect shock absorber. Banishing the disadvantages of the past. FSD shock absorbers; a smart suspension system adjusting automatically to road conditions as well as driving style. And all of this in a fraction of a second. FSD guarantees greater stability, greater control and thus greater driving pleasure.
Kit includes 4 shocks. Final quantities, recently discontinued by Koni.