Bilstein B3 1999–2006 BMW 325Ci Series Replacement Rear Coil Spring

These Bilstein B3 replacement rear coil springs restore factory suspension geometry and ride characteristics by matching OE dimensions and spring rates for late‑model BMW coupes. Designed as direct-fit rear springs for models like the 325Ci, the B3 line replicates original miniblock and central force designs to preserve handling, ride height, and safety without modifying your vehicle's suspension architecture.

Features:

• Manufactured to OE dimensions
• Matched OE spring rates
• Miniblock and central force design
• Rear orientation for axle-specific fitment
• Direct-fit replacement for factory springs