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The Bilstein B6 Performance rear shock for 2019–2020 BMW 330i and 330i xDrive is a 46mm monotube damper tuned to improve handling while retaining factory springs. Application-specific valving and Bilstein gas-pressure technology enhance grip, lane stability and safety without requiring new springs. Each damper is tested to meet or exceed OE standards for consistent, road-ready control and durability.
Bilstein 19-20 BMW 330i / 19-20 330i xDrive B6 Performance Shock Rear
