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The Bilstein B6 rear shock for 2004 BMW 645Ci is a 46mm monotube damper that upgrades OE performance while using the factory spring. Application-specific valving and Bilstein gas-pressure technology provide improved grip, lane stability and handling in routine and demanding situations. Tuned and tested to meet quality standards, this rear unit delivers better safety, control and a more composed ride without reducing ride height.
Bilstein B6 2004 BMW 645Ci Base Rear 46mm Monotube Shock Absorber
