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The Bilstein B3 OE replacement coil spring restores factory suspension function for 2002–2008 Audi A4 Quattro rear air-spring applications. Manufactured to meet OE dimensions and spring rates, these coils match original minibloc and central-force designs where applicable to preserve handling. High-quality chrome alloy steel and hot-setting after forming help prevent height loss and improve break resistance to maintain suspension safety and ride consistency.
Bilstein 02-08 Audi A4 Quattro B3 OE Replacement (Air) Coil Spring - Rear
