KW Height Adjustable Spring Kit for Audi A4 B9 sedan (2WD) with electronic dampers offers adjustable ride height after installation using the KW height adjuster while keeping factory adaptive systems fully functional. Vehicle‑specific chrome‑silicon springs and tuned spring rates work with electronic dampers, and the kit includes elastomer bump stops, dust protection and perches set for maximum tested lowering. Limited lifetime warranty.
KW A4 B9 Sedan 2WD With Electronic Dampers H.A.S.